chap._n 2._o exper._n 13._o so_o that_o their_o bone_n be_v soft_a then_o i_o leave_v one_o dry_a in_o the_o open_a air_n and_o have_v keep_v it_o for_o eight_o day_n though_o in_o very_o hot_a weather_n it_o be_v not_o corrupt_v at_o all_o but_o another_o piece_n which_o i_o keep_v in_o the_o sauce_n be_v corrupt_v before_o three_o day_n i_o have_v a_o mind_n to_o try_v afterward_o whether_o a_o ordinary_a boil_a will_v have_v the_o same_o effect_n and_o to_o that_o end_n june_n 26._o i_o boil_v a_o macquerel_n after_o the_o ordinary_a way_n and_o have_v set_v it_o to_o dry_a as_o i_o have_v do_v with_o the_o other_o i_o find_v that_o it_o will_v stink_v in_o less_o than_o four_o day_n from_o this_o experiment_n i_o believe_v it_o appear_v that_o this_o engine_n will_v be_v useful_a to_o dry_a victual_n so_o as_o to_o keep_v they_o without_o salt_n and_o without_o lose_v their_o juice_n and_o it_o may_v be_v such_o victual_n will_v prove_v much_o more_o wholesome_a than_o salt_n victual_n that_o be_v so_o much_o use_v at_o sea_n experim._n x._o this_o engine_n be_v so_o useful_a to_o hinder_v the_o waste_n of_o fresh_a water_n by_o evaporation_n i_o think_v it_o may_v also_o in_o some_o case_n make_v sea-water_n serve_v instead_o of_o fresh_a water_n have_v therefore_o dissolve_v one_o dram_n of_o salt_n in_o forty_o dram_n of_o water_n which_o i_o have_v hear_v from_o mr._n boyle_n to_o be_v much_o the_o same_o proportion_n of_o salt_n as_o be_v in_o sea-water_n i_o take_v a_o ounce_n of_o dry_a pease_n and_o have_v put_v they_o in_o a_o glass-pot_n with_o double_a their_o weight_n of_o the_o say_a salt_n water_n i_o include_v they_o in_o the_o engine_n i_o blow_v up_o the_o fire_n till_o the_o drop_n of_o water_n will_v evaporate_v in_o 4_o second_o with_o a_o inward_a pressure_n ten_o time_n strong_a than_o the_o ordinary_a pressure_n of_o the_o air._n the_o vessel_n be_v cool_v i_o find_v that_o the_o pease_n have_v imbibe_v all_o the_o water_n and_o be_v very_o well_o soften_v and_o dr._n king_n have_v taste_v the_o same_o find_v they_o very_o savoury_a and_o not_o too_o much_o salt_v it_o be_v very_o likely_a that_o bean_n and_o all_o other_o pulse_n will_v do_v the_o same_o i_o think_v therefore_o that_o in_o supply_v a_o ship_n with_o victual_n we_o may_v reckon_v that_o the_o pulse_n will_v change_v double_a their_o weight_n of_o sea-water_n into_o fresh_a water_n or_o at_o least_o make_v it_o serve_v for_o nourishment_n as_o well_o as_o if_o it_o have_v be_v fresh_a and_o this_o may_v diminish_v very_o much_o the_o quantity_n of_o fresh_a water_n ship_n must_v be_v encumber_v with_o if_o people_n shall_v use_v sea-water_n to_o boil_v pease_n in_o after_o the_o ordinary_a way_n it_o will_v come_v to_o pass_v that_o the_o evaporation_n waste_v but_o the_o watery_a part_n will_v make_v the_o pease_n exceed_v salt_n and_o beside_o that_o they_o can_v never_o be_v well_o soften_v i_o do_v also_o try_v whether_o sea-water_n can_v be_v use_v to_o make_v jelly_n therefore_o i_o put_v some_o of_o the_o same_o salt_n water_n into_o a_o pot_n with_o a_o equal_a weight_n of_o mutton-bone_n and_o have_v increase_v the_o fire_n as_o i_o use_v to_o make_v mutton-bone_n jelly_n i_o find_v a_o very_a strong_a jelly_n indeed_o but_o it_o be_v too_o salt_n by_o a_o great_a deal_n the_o quantity_n of_o congeal_a part_n be_v so_o little_a that_o it_o can_v much_o contemperate_a the_o saltness_n of_o the_o water_n i_o think_v therefore_o that_o sea-water_n shall_v be_v mingle_v with_o double_a its_o weight_n of_o fresh_a water_n to_o make_v jelly_n withal_o chap._n iu_o experiment_n for_o confectioner_n experim._n i._n jvne_n 27._o i_o put_v cherry_n into_o two_o pot_n in_o one_o of_o they_o there_o be_v water_n enough_o to_o cover_v the_o fruit_n to_o the_o other_o i_o add_v nothing_o at_o all_o have_v force_v the_o fire_n till_o the_o drop_n of_o water_n will_v dry_v away_o in_o 40_o second_n with_o the_o inward_a pressure_n 3_o time_n strong_a than_o the_o ordinary_a pressure_n of_o the_o air_n i_o find_v the_o cherry_n very_o well_o boil_v and_o those_o have_v much_o juice_n where_o i_o have_v add_v no_o water_n those_o with_o water_n have_v much_o more_o liquor_n but_o their_o taste_n be_v more_o waterish_a the_o next_o day_n i_o put_v some_o of_o these_o cherry_n to_o dry_a in_o the_o open_a air_n and_o i_o put_v some_o also_o to_o boil_v again_o with_o goose-berry_n to_o see_v whether_o a_o new_a boil_n will_v spoil_v they_o i_o blow_v up_o the_o sire_n till_o the_o drop_n of_o water_n will_v dry_v away_o in_o 10_o second_o with_o the_o inward_a pressure_n eight_o time_n strong_a than_o the_o ordinary_a pressure_n of_o the_o air_n and_o after_o that_o i_o do_v not_o find_v the_o cherry_n at_o all_o alter_v but_o be_v still_o as_o big_a and_o as_o entire_a as_o before_o they_o have_v be_v boil_v i_o put_v some_o of_o these_o also_o to_o dry_v in_o the_o open_a air._n the_o next_o day_n i_o find_v that_o all_o these_o cherry_n will_v dry_v very_o well_o and_o not_o corrupt_v but_o those_o that_o have_v be_v boil_v but_o once_o without_o water_n be_v big_a than_o all_o the_o rest_n and_o those_o that_o have_v be_v boil_v twice_o be_v very_o wrinkle_v and_o grow_v small_a than_o the_o other_o that_o have_v be_v as_o long_o again_o a_o dry_n this_o experiment_n show_v that_o some_o fruit_n may_v without_o danger_n remain_v a_o great_a while_n upon_o the_o fire_n in_o this_o engine_n after_o they_o have_v be_v boil_v enough_o and_o that_o make_v they_o to_o be_v not_o so_o fit_a to_o corrupt_v as_o they_o be_v before_o therefore_o i_o believe_v if_o those_o who_o be_v skilful_a that_o way_n will_v make_v a_o syrup_n to_o keep_v such_o fruit_n in_o without_o dry_v they_o may_v have_v sweetmeat_n which_o not_o have_v be_v boil_v in_o sugar_n will_v keep_v much_o better_a the_o taste_n of_o the_o fruit_n but_o i_o think_v the_o syrup_n shall_v be_v thick_a than_o usual_a because_o the_o moisture_n of_o the_o fruit_n be_v apt_a in_o a_o little_a time_n to_o mingle_v with_o it_o and_o make_v it_o more_o liquid_a experience_n must_v teach_v we_o what_o degree_n of_o heat_n will_v be_v the_o best_a to_o preserve_v fruit_n without_o much_o alter_n its_o taste_n experim._n ii_o july_n 6._o i_o put_v into_o a_o pot_n sive_fw-la ounce_n of_o goose-berry_n and_o have_v continue_v the_o fire_n till_o the_o drop_n of_o water_n will_v dry_v away_o in_o 15_o second_o i_o present_o put_v it_o out_o the_o vessel_n be_v cool_v i_o find_v that_o the_o goose-berry_n have_v yield_v a_o ounce_n and_o half_a of_o liquor_n pretty_a thick_a i_o put_v some_o of_o these_o goose-berry_n to_o dry_a in_o the_o open_a air_n and_o they_o do_v dry_a very_o well_o and_o not_o corrupt_v this_o experiment_n make_v i_o the_o more_o apt_a to_o believe_v that_o sweetmeat_n may_v be_v so_o order_v as_o to_o keep_v much_o of_o the_o taste_n of_o the_o fruit_n and_o i_o believe_v at_o the_o same_o time_n one_o may_v have_v a_o great_a conveniency_n to_o make_v clear_a cake_n because_o the_o juice_n sit_v for_o that_o purpose_n be_v all_o keep_v in_o this_o engine_n and_o may_v be_v draw_v a_o great_a deal_n soon_o than_o after_o the_o ordinary_a way_n experim._n iii_o july_n 22._o three_o week_n ago_o i_o shut_v up_o ripe_a goose-berry_n in_o a_o great_a glass_n and_o put_v to_o they_o water_n satiate_v with_o sugar_n to_o sill_z up_o the_o interstice_n to_o day_n see_v these_o goose-berry_n ferment_n apace_o and_o make_v abundance_n of_o bubble_n i_o put_v some_o of_o they_o in_o a_o glass-pot_n with_o some_o of_o their_o liquor_n and_o have_v enclose_v it_o in_o the_o engine_n i_o continue_v the_o fire_n till_o the_o drop_n of_o water_n do_v dry_a away_o in_o 6_o second_o with_o a_o inward_a pressure_n five_o time_n strong_a than_o the_o ordinary_a pressure_n of_o the_o air._n i_o take_v off_o the_o fire_n and_o the_o vessel_n be_v cool_v i_o find_v the_o goose-berry_n very_o well_o boil_v soft_a and_o of_o a_o good_a taste_n though_o the_o fermentation_n have_v make_v they_o hard_a and_o unpleasant_a to_o the_o palate_n i_o include_v at_o the_o same_o time_n another_o pot_n full_a with_o fresh_a goose-berry_n to_o which_o i_o add_v one_o part_n of_o sugar_n to_o five_o part_n of_o fruit_n i_o find_v they_o also_o very_o ready_a and_o of_o a_o very_a please_a taste_n but_o much_o more_o sweet_a than_o those_o that_o have_v be_v ferment_v after_o i_o have_v leave_v these_o two_o glass-pot_n for_o ten_o day_n together_o well_o cover_v but_o not_o above_o â…“_n full_a i_o see_v no_o fermentation_n in_o they_o but_o the_o fruit_n grow_v a_o little_a musty_a
pigeon_n into_o two_o little_a glass-pot_n weigh_v they_o one_o after_o another_o before_o i_o enclose_v they_o in_o their_o frame_n i_o press_v the_o fire_n till_o the_o drop_n of_o water_n will_v dry_v away_o in_o 5_o second_o and_o the_o inward_a pressure_n be_v ten_o time_n as_o strong_a as_o the_o ordinary_a pressure_n of_o the_o air._n the_o vessel_n be_v cool_v i_o find_v both_o the_o cover_v stick_v pretty_a fast_o to_o their_o pot_n so_o that_o it_o be_v apparent_a that_o the_o air_n within_o the_o say_a pot_n be_v rarify_v and_o that_o something_o have_v get_v out_o of_o they_o i_o weigh_v they_o one_o after_o the_o other_o be_v well_o dry_v as_o i_o have_v do_v before_o the_o boil_a and_o i_o find_v that_o one_o of_o they_o wherein_o i_o have_v put_v by_o weight_n a_o eight_o part_n less_o of_o meat_n than_o the_o vessel_n can_v contain_v of_o water_n be_v exact_o the_o same_o weight_n as_o before_o and_o the_o bone_n be_v very_o tender_a and_o the_o juice_n a_o strong_a jelly_n without_o empyreume_n the_o other_o pot_n wherein_o i_o have_v put_v a_o great_a weight_n of_o meat_n than_o it_o can_v hold_v of_o water_n be_v grow_v heavy_a and_o the_o juice_n in_o it_o be_v not_o so_o well_o congeal_v as_o in_o the_o other_o it_o be_v very_o like_a that_o the_o great_a quantity_n of_o meat_n be_v too_o much_o rarify_v in_o this_o pot_n have_v open_v the_o cover_n so_o as_o to_o admit_v some_o of_o the_o water_n from_o the_o balneum_fw-la mariae_fw-la which_o have_v increase_v the_o weight_n and_o dilute_v the_o jelly_n but_o in_o the_o first_o pot_n the_o rarefaction_n of_o the_o meat_n be_v able_a only_o to_o drive_v out_o a_o little_a air_n without_o any_o sensible_a open_n of_o the_o cover_n from_o this_o experiment_n i_o think_v we_o may_v conclude_v that_o one_o propriety_n of_o this_o engine_n be_v that_o if_o we_o boil_v pigeon_n so_o as_o to_o make_v the_o drop_n of_o water_n dry_a away_o in_o 5_o second_n with_o a_o inward_a pressure_n ten_o time_n as_o strong_a as_o the_o ordinary_a pressure_n of_o the_o air_n the_o weight_n of_o the_o meat_n in_o the_o pot_n must_v be_v but_o 〈◊〉_d of_o that_o which_o the_o pot_n can_v hold_v seven_o pound_n of_o meat_n for_o example_n in_o a_o pot_n that_o can_v hold_v eight_o pound_n of_o water_n for_o by_o that_o mean_v the_o pressure_n in_o the_o pot_n be_v as_o strong_a as_o in_o the_o engine_n and_o yet_o nothing_o be_v lose_v in_o the_o sixteenth_o experiment_n you_o may_v see_v that_o the_o water_n be_v take_v in_o the_o same_o weight_n will_v do_v the_o same_o effect_n so_o that_o some_o people_n will_v think_v that_o all_o other_o body_n shall_v be_v also_o take_v in_o the_o same_o weight_n because_o those_o that_o will_v take_v up_o less_o room_n upon_o the_o score_n of_o their_o specific_a gravity_n will_v by_o the_o same_o reason_n expand_v themselves_o so_o much_o the_o more_o but_o this_o will_v be_v a_o great_a mistake_n for_o i_o have_v try_v chap._n 6._o exper._n 3._o that_o spirit_n of_o wine_n though_o of_o a_o lesser_a specific_a gravity_n than_o vinegar_n will_v nevertheless_o rarify_v a_o great_a deal_n more_o by_o heat_n therefore_o if_o we_o will_v be_v very_o exact_v not_o to_o lose_v any_o thing_n and_o to_o have_v the_o intend_a pressure_n in_o the_o pot_n we_o must_v find_v by_o experience_n how_o far_o and_o how_o powerful_o other_o body_n will_v rarify_v as_o in_o this_o experiment_n i_o have_v find_v it_o for_o pigeon_n to_o fill_v afterward_o the_o pot_n according_o at_o the_o same_o time_n i_o have_v in_o another_o engine_n some_o of_o the_o same_o pigeon_n a_o boil_a the_o heat_n be_v such_o that_o it_o dry_v a_o drop_n of_o water_n in_o 3_o second_o but_o the_o inward_a pressure_n be_v but_o five_o time_n as_o strong_a as_o the_o ordinary_a pressure_n of_o the_o air._n the_o vessel_n be_v cool_v i_o find_v the_o bone_n not_o quite_o so_o soft_a as_o in_o the_o other_o engine_n though_o they_o have_v be_v in_o a_o great_a heat_n yet_o they_o be_v almost_o all_o fit_a to_o be_v eat_v this_o experiment_n make_v i_o believe_v that_o we_o may_v reckon_v this_o among_o the_o propriety_n of_o this_o engine_n that_o it_o be_v almost_o the_o same_o thing_n to_o have_v the_o drop_n of_o water_n dry_a away_o in_o 3_o second_o and_o five_o pressure_n as_o to_o have_v it_o dry_v away_o in_o 5_o second_o and_o ten_o pressure_n in_o the_o engine_n so_o people_n may_v find_v out_o by_o experience_n in_o any_o other_o case_n what_o quantity_n of_o pressure_n may_v do_v instead_o of_o a_o certain_a quantity_n of_o heat_n and_o if_o one_o have_v a_o exact_a thermometer_n as_o i_o have_v say_v in_o chap._n 2._o one_o may_v perhaps_o draw_v from_o thence_o great_a light_n for_o other_o thing_n i_o say_v beside_o that_o this_o experiment_n show_v that_o good_a balnea_fw-la mariae_fw-la fit_v to_o hold_v great_a pressure_n will_v save_v a_o great_a deal_n of_o fire_n for_o we_o have_v see_v exper._n 10._o that_o the_o great_a the_o inward_a pressure_n be_v the_o less_o coal_n will_v serve_v to_o bring_v the_o engine_n to_o a_o certain_a heat_n and_o now_o we_o see_v that_o such_o a_o degree_n of_o heat_n raise_v with_o less_o coal_n may_v produce_v a_o great_a effect_n than_o if_o we_o have_v be_v force_v to_o bestow_v more_o coal_n for_o it_o where_o this_o pressure_n be_v want_v fish_n experim._n xiii_o june_n 15._o i_o take_v a_o macquerel_n and_o put_v it_o in_o a_o glass-pot_n with_o green_a goosberry_n i_o include_v the_o pot_n in_o the_o engine_n and_o with_o four_o ounce_n and_o two_o dram_n of_o coal_n i_o bring_v the_o heat_n to_o dry_v away_o the_o drop_n of_o water_n in_o 10_o second_o and_o the_o inward_a pressure_n be_v seven_o time_n as_o strong_a as_o the_o ordinary_a pressure_n of_o the_o air._n the_o fire_n be_v go_v out_o by_o little_a and_o little_a i_o find_v that_o the_o remain_a coal_n weigh_v about_o two_o dram_n the_o fish_n be_v very_o ready_a and_o firm_a though_o the_o bone_n be_v so_o soft_a as_o not_o to_o be_v feel_v in_o eat_v the_o fish_n before_o it_o be_v boil_v do_v weigh_v nine_o ounce_n and_o after_o boil_v not_o above_o seven_o so_o that_o i_o have_v two_o ounce_n of_o good_a juice_n which_o will_v have_v be_v throw_v away_o if_o the_o fish_n have_v be_v boil_v after_o the_o ordinary_a way_n and_o moreover_o the_o taste_n be_v a_o great_a deal_n better_o the_o volatile_a salt_n not_o have_v get_v away_o or_o be_v dissolve_v in_o water_n the_o goose-berry_n have_v a_o very_a good_a taste_n and_o nothing_o of_o burn_v experim._n fourteen_o june_n 19_o i_o make_v the_o same_o trial_n with_o a_o pike_n and_o i_o give_v the_o fire_n as_o in_o the_o former_a experiment_n the_o fish_n be_v find_v very_o ready_a and_o its_o flesh_n firm_a and_o the_o bone_n soft_a though_o they_o seem_v somewhat_o hard_a than_o those_o of_o the_o macquerel_n a_o gentleman_n have_v taste_v of_o this_o inquire_v whether_o it_o be_v the_o dissolve_v of_o the_o bone_n that_o make_v the_o fish_n so_o savoury_a this_o persuade_v i_o that_o my_o think_v such_o fish_n better_o than_o ordinary_a be_v not_o out_o of_o preoccupation_n the_o juice_n of_o the_o pike_n come_v to_o a_o strong_a jelly_n which_o do_v not_o happen_v to_o that_o of_o the_o macquerel_n i_o can_v tell_v whether_o this_o difference_n proceed_v from_o the_o nature_n of_o the_o fish_n or_o from_o the_o temperature_n of_o the_o air._n experim._n xv._o june_n 20._o i_o take_v a_o great_a eel_n and_o have_v shut_v it_o up_o as_o i_o use_v i_o kindle_v four_o ounce_n and_o half_a of_o coal_n so_o that_o the_o drop_n of_o water_n do_v dry_a away_o in_o 6_o second_o and_o the_o inward_a pressure_n be_v seven_o time_n strong_a than_o the_o ordinary_a pressure_n of_o the_o air_n the_o fire_n be_v go_v out_o of_o itself_o the_o eel_n be_v find_v very_o ready_a so_o be_v the_o skin_n and_o bone_n and_o all_o without_o empyreume_n but_o its_o flesh_n be_v not_o so_o firm_a as_o that_o of_o other_o fish_n the_o juice_n do_v not_o congeal_v which_o i_o think_v do_v proceed_v from_o the_o excess_n of_o fire_n rather_o than_o from_o the_o nature_n of_o this_o fish_n since_o its_o skin_n seem_v very_o fit_a to_o make_v jelly_n all_o these_o experiment_n make_v i_o believe_v that_o all_o fish_n may_v be_v make_v ready_a almost_o with_o the_o same_o degree_n of_o heat_n pulse_n experim._n xvi_o july_n 2._o i_o put_v bean_n in_o a_o glass-pot_n some_o of_o which_o be_v raw_a and_o the_o other_o have_v be_v boil_v already_o with_o hartshorn_n i_o pour_v a_o little_a water_n into_o the_o pot_n to_o see_v the_o difference_n between_o those_o bean_n that_o will_v
reckon_v this_o as_o a_o propriety_n of_o this_o engine_n that_o the_o more_o brisk_o we_o press_v the_o fire_n the_o more_o effect_n it_o produce_v with_o the_o same_o quantity_n of_o coal_n this_o experiment_n put_v i_o in_o mind_n to_o make_v another_o that_o may_v manifest_o show_v that_o the_o inward_a pressure_n be_v a_o great_a help_n to_o advance_v coction_n therefore_o i_o take_v two_o little_a vessel_n very_o like_o one_o another_o and_o well_o fasten_v by_o screw_n one_o of_o they_o be_v well_o sodder_v every_o where_o but_o the_o other_o have_v a_o little_a hole_n leave_v in_o its_o cover_n for_o the_o vapour_n to_o get_v out_o these_o vessel_n be_v fill_v with_o water_n and_o meat_n after_o the_o same_o manner_n and_o put_v together_o in_o the_o same_o bath_n of_o sand_n and_o leave_v there_o in_o a_o equal_a heat_n for_o three_o quarter_n of_o a_o hour_n i_o take_v they_o off_o both_o together_o and_o find_v that_o the_o meat_n that_o have_v be_v exact_o shut_v up_o be_v rather_o over_o than_o under_o do_v but_o the_o other_o be_v a_o great_a deal_n too_o raw_a therefore_o we_o may_v reckon_v this_o also_o among_o the_o propriety_n of_o this_o engine_n that_o the_o great_a the_o inward_a pressure_n be_v the_o great_a effect_n be_v produce_v by_o the_o same_o heat_n and_o in_o the_o same_o time_n experim._n vii_o have_v find_v some_o difference_n between_o beef_n and_o mutton_n the_o one_o being_n hard_o to_o be_v boil_v than_o the_o other_o i_o have_v a_o mind_n to_o see_v whether_o there_o will_v not_o be_v some_o difference_n also_o between_o flesh_n of_o the_o same_o kind_n but_o of_o different_a age_n therefore_o june_n 4._o i_o take_v lamb_n and_o fill_v two_o glass_n with_o it_o and_o put_v some_o water_n into_o one_o of_o they_o now_o since_o five_o ounce_n of_o coal_n have_v be_v enough_o to_o boil_v mutton_n i_o take_v but_o four_o ounce_n and_o half_a for_o the_o lamb_n think_v it_o will_v be_v more_o easy_a to_o be_v boil_v i_o press_v the_o fire_n as_o brisk_o as_o i_o can_v but_o a_o drop_n of_o water_n will_v not_o dry_v away_o in_o less_o than_o 11_o or_o 12_o second_n the_o inward_a pressure_n be_v eight_o time_n strong_a than_o the_o ordinary_a pressure_n of_o the_o air_n the_o heat_n be_v but_o so_o little_a which_o may_v be_v because_o the_o great_a share_n of_o the_o coal_n have_v be_v once_o already_o kindle_v the_o fire_n be_v go_v out_o by_o little_a and_o little_a i_o find_v but_o one_o dram_n of_o coal_n that_o have_v not_o be_v consume_v in_o the_o glass_n without_o water_n the_o bone_n be_v soften_v at_o some_o of_o the_o end_n only_o but_o in_o the_o glass_n with_o water_n the_o bone_n be_v all_o very_a soft_a yet_o the_o meat_n be_v much_o less_o savoury_a than_o in_o the_o other_o vessel_n this_o experiment_n cause_v i_o to_o think_v 1._o that_o the_o bone_n of_o young_a beast_n require_v almost_o as_o much_o fire_n as_o those_o of_o old_a one_o to_o be_v boil_v 2._o that_o water_n be_v a_o dissolver_n fit_a to_o soften_v bone_n but_o that_o it_o impair_v the_o taste_n experim._n viii_o propriety_n that_o i_o may_v know_v pretty_a near_o what_o difference_n may_v be_v find_v as_o to_o the_o perfection_n of_o the_o operation_n when_o the_o fire_n go_v out_o of_o itself_o or_o when_o it_o be_v all_o take_v off_o and_o quench_v as_o soon_o as_o the_o heat_n be_v come_v to_o the_o intend_a degree_n july_n 5._o i_o fill_v again_o two_o glass-pot_n with_o lamb_n as_o before_o and_o have_v kindle_v a_o great_a deal_n of_o coal_n i_o press_v the_o fire_n till_o a_o drop_n of_o water_n will_v dry_v away_o in_o 3_o second_o and_o present_o i_o take_v off_o all_o the_o fire_n i_o find_v the_o bone_n in_o the_o pot_n without_o water_n a_o little_o soft_a than_o in_o the_o former_a experiment_n and_o in_o the_o pot_n with_o water_n i_o find_v they_o all_o very_a soft_a but_o the_o meat_n be_v not_o at_o all_o spoil_v so_o i_o think_v it_o be_v near_o the_o same_o to_o press_v the_o fire_n with_o 4_o ½_n ounce_n of_o coal_n so_o as_o to_o dry_v away_o a_o drop_n of_o water_n in_o 10_o second_o and_o then_o let_v the_o fire_n go_v out_o of_o itself_o or_o to_o press_v the_o fire_n with-six_a or_o seven_o ounce_n of_o coal_n and_o then_o take_v it_o all_o off_o as_o soon_o as_o a_o drop_n of_o water_n dry_v away_o in_o 3_o second_o therefore_o the_o same_o proportion_n may_v be_v observe_v in_o other_o operation_n for_o example_n if_o i_o be_v to_o make_v a_o operation_n that_o may_v be_v perform_v with_o a_o quantity_n of_o coal_n that_o can_v make_v the_o engine_n hot_a enough_o to_o dry_v a_o drop_n of_o water_n in_o 20_o second_n leave_v afterward_o the_o fire_n to_o go_v out_o of_o itself_o and_o if_o i_o will_v save_v time_n i_o shall_v make_v a_o good_a fire_n that_o the_o heat_n may_v quick_o come_v to_o dry_v a_o drop_n of_o water_n in_o 6_o second_o and_o present_o take_v away_o all_o the_o fire_n and_o so_o in_o all_o other_o operation_n keep_v still_o the_o proportion_n as_o 10_o to_o 3_o yet_o i_o confess_v this_o rule_n be_v not_o demonstrate_v neither_o do_v the_o matter_n in_o hand_n require_v such_o a_o mathematical_a exactness_n when_o i_o say_v nothing_o of_o the_o inward_a pressure_n as_o in_o this_o rule_n it_o be_v to_o be_v understand_v that_o it_o ought_v to_o be_v always_o equal_a experim._n ix_o july_n 11._o i_o take_v a_o rabbit_n and_o have_v fill_v with_o it_o two_o glass-pot_n and_o put_v some_o water_n in_o one_o and_o none_o in_o the_o other_o i_o kindle_v five_o ounce_n of_o coal_n and_o have_v press_v the_o fire_n till_o a_o drop_n of_o water_n will_v dry_v away_o in_o 4_o second_o i_o let_v the_o fire_n go_v out_o of_o itself_o the_o vessel_n be_v cool_v i_o find_v the_o rabbit_n bone_n well_o soften_v in_o the_o pot_n with_o water_n but_o in_o the_o other_o they_o be_v all_o very_a hard_a yet_o the_o flesh_n have_v be_v well_o season_v it_o be_v as_o tender_v and_o savoury_a as_o any_o pastry_n can_v be_v but_o in_o the_o pot_n with_o water_n it_o relish_v not_o so_o well_o by_o a_o great_a deal_n by_o this_o experiment_n i_o see_v that_o rabbit_n bone_n be_v hard_a than_o those_o of_o mutton_n and_o i_o be_v more_o full_o satisfy_v that_o water_n help_v much_o the_o soften_a of_o bone_n experim._n x._o propriety_n i_o take_v another_o rabbit_n and_o have_v shut_v it_o up_o as_o in_o the_o former_a experiment_n i_o kindle_v five_o ounce_n and_o half_a of_o coal_n but_o the_o paper_n in_o the_o joint_n of_o it_o have_v be_v spoil_v the_o inward_a pressure_n be_v not_o as_o strong_a again_o as_o the_o ordinary_a pressure_n of_o the_o air_n because_o the_o water_n can_v get_v out_o and_o for_o that_o reason_n also_o the_o heat_n can_v not_o well_o be_v keep_v for_o notwithstanding_o the_o quantity_n of_o coal_n in_o this_o experiment_n be_v great_a the_o drop_n of_o water_n be_v twenty_o time_n long_o evaporate_n than_o in_o the_o former_a experiment_n so_o that_o we_o may_v reckon_v this_o for_o a_o propriety_n of_o this_o engine_n that_o the_o great_a the_o inward_a pressure_n be_v the_o less_o quantity_n of_o coal_n be_v require_v to_o give_v a_o certain_a degree_n of_o heat_n the_o rabbit_n be_v very_o tender_a but_o the_o bone_n be_v not_o at_o all_o soften_v no_o not_o in_o the_o glass_n where_o i_o have_v put_v water_n but_o some_o that_o have_v be_v boil_v the_o day_n before_o and_o put_v again_o to_o be_v make_v more_o ready_a be_v find_v very_o well_o soften_v by_o this_o experiment_n i_o see_v that_o although_o some_o boil_a bone_n do_v not_o seem_v to_o be_v soften_v at_o all_o yet_o they_o have_v get_v a_o great_a preparation_n towards_o that_o though_o it_o do_v not_o appear_v to_o sense_n experim._n xi_o july_n 13._o i_o take_v a_o old_a male_a and_o tame_a rabbit_n which_o be_v ordinary_o but_o a_o pitiful_a sort_n of_o meat_n i_o season_v it_o and_o put_v it_o into_o two_o glass-pot_n i_o kindle_v six_o ounce_n of_o coal_n and_o press_v the_o fire_n till_o the_o drop_n of_o water_n will_v evaporate_v in_o less_o than_o 4_o second_n the_o inward_a pressure_n be_v about_o six_o time_n strong_a than_o the_o ordinary_a pressure_n of_o the_o air._n the_o fire_n be_v go_v out_o of_o itself_o i_o find_v the_o rabbit_n very_o ready_a and_o the_o bone_n soften_v and_o it_o be_v as_o savoury_a as_o young_a rabbit_n use_v to_o be_v the_o juice_n of_o it_o turn_v to_o a_o good_a jelly_n so_o that_o i_o think_v this_o to_o be_v the_o quantity_n of_o fire_n most_o fit_a to_o boil_v rabbit_n experim._n xii_o propriety_n august_n 12._o i_o put_v
draw_v a_o very_a little_a tincture_n from_o the_o antimony_n though_o the_o heat_n have_v be_v much_o strong_a and_o long_o than_o in_o the_o former_a experiment_n for_o the_o tincture_n of_o salt_n of_o tartar_n a_o while_n after_o when_o i_o will_v empty_v the_o pot_n i_o find_v that_o the_o antimony_n be_v come_v into_o a_o lump_n as_o if_o it_o have_v be_v melt_v and_o that_o the_o upper_a part_n be_v red_a and_o the_o bottom_n blackish_a so_o that_o it_o seem_v the_o tincture_n have_v be_v draw_v and_o then_o precipitate_v we_o do_v also_o take_v notice_n of_o a_o great_a difference_n between_o spirit_n of_o wine_n and_o distil_a vinegar_n for_o in_o exper._n 1._o the_o heat_n have_v give_v such_o a_o great_a strength_n to_o the_o spirit_n of_o wine_n to_o expand_v itself_o that_o most_o of_o it_o have_v run_v over_o from_o the_o pot_n which_o be_v thereby_o above_o half_o empty_v but_o on_o the_o contrary_a the_o spirit_n of_o vinegar_n have_v be_v so_o little_a able_a to_o expand_v itself_o that_o the_o pressure_n in_o the_o engine_n be_v equal_a if_o not_o strong_a than_o that_o in_o the_o pot_n this_o be_v not_o at_o all_o empty_v but_o still_o full_a to_o 1_o â—_o though_o the_o heat_n have_v be_v strong_a than_o upon_o the_o spirit_n of_o wine_n and_o the_o pressure_n in_o the_o engine_n have_v be_v equal_a in_o both_o experiment_n experim._n iii_o august_n 9_o i_o put_v some_o rosemary_n into_o a_o long_a glass_n pot_n but_o it_o be_v hold_v up_o by_o a_o wyre-diaphragme_a so_o that_o it_o be_v distant_a from_o the_o bottom_n by_o a_o three_o part_n of_o the_o length_n of_o the_o pot_n i_o kindle_v the_o fire_n towards_o the_o top_n of_o the_o engine_n that_o the_o bottom_n remain_v cold_a the_o vapour_n of_o the_o rosemary_n may_v condense_a in_o the_o bottom_n of_o the_o pot_n i_o continue_v the_o fire_n till_o the_o drop_n of_o water_n upon_o the_o cover_n will_v evaporate_v in_o 6_o second_n but_o the_o bottom_n be_v almost_o cold_a afterward_o i_o find_v that_o the_o rosemary_n have_v yield_v some_o red_a water_n and_o pretty_a fragrant_a about_o the_o weight_n of_o a_o dram_n and_o beside_o that_o two_o or_o three_o drop_n of_o essential_a oil_n of_o a_o very_a sweet_a smell_n and_o of_o a_o contexture_n somewhat_o like_o butter_n be_v thick_a than_o oil_n use_v to_o be_v this_o way_n of_o distil_v be_v to_o be_v prefer_v to_o the_o ordinary_a way_n 1._o because_o there_o be_v no_o danger_n of_o lose_v any_o thing_n 2._o because_o the_o vapour_n may_v descend_v more_o easy_o than_o get_v up_o so_o that_o be_v put_v in_o motion_n by_o the_o gentle_a heat_n of_o the_o balneum_fw-la mariae_fw-la and_o present_o fall_v down_o by_o their_o heaviness_n they_o can_v preserve_v their_o own_o nature_n much_o better_a than_o when_o be_v expose_v to_o a_o fire_n less_o kind_a they_o must_v receive_v from_o it_o a_o motion_n strong_a enough_o to_o raise_v they_o to_o a_o considerable_a height_n which_o can_v hardly_o be_v do_v without_o alter_v their_o nature_n 3._o in_o ordinary_a distillation_n there_o stick_v always_o some_o oil_n to_o the_o head_n which_o do_v not_o come_v into_o the_o receiver_n but_o here_o there_o be_v no_o such_o danger_n since_o there_o be_v no_o head_n the_o receiver_n serve_v for_o both_o do_v immediate_o receive_v all_o the_o vapour_n that_o be_v free_v from_o the_o subject_n the_o diaphragma_n i_o make_v use_v of_o for_o these_o distillation_n be_v express_v fig._n 3._o bb._n be_v the_o diaphragma_n make_v out_o of_o wire_n aaaaaa_n be_v three_o little_a foot_n to_o keep_v it_o up_o at_o some_o distance_n from_o the_o bottom_n cc._o be_v another_o wire_n fasten_v to_o the_o centre_n of_o the_o diaphragma_n and_o reach_v to_o the_o top_n of_o the_o glass_n that_o after_o the_o operation_n be_v make_v we_o may_v draw_v out_o the_o diaphragma_n with_o the_o matter_n above_o it_o and_o leave_v the_o distil_a liquor_n alone_o in_o the_o glass_n we_o may_v also_o order_v our_o vessel_n to_o be_v cast_v after_o a_o circular_a shape_n as_o in_o fig._n 4._o for_o set_v one_o end_n in_o the_o and_o the_o other_o end_n in_o cold_a water_n all_o the_o vapour_n will_v condense_a there_o and_o the_o volatile_a salt_n may_v stick_v in_o the_o middle_n as_o in_o ordinary_a distillation_n we_o may_v also_o order_v our_o vessel_n as_o in_o fig._n 5._o where_o the_o pot_n gg_n have_v its_o aperture_n two_o out_o of_o the_o engine_n aa_n so_o that_o the_o say_a pot_n may_v be_v quite_o sill_v with_o the_o matter_n to_o be_v distil_v for_o apply_v a_o deep_a cover_n bb_n to_o the_o aperture_n two_o the_o vapour_n will_v all_o descend_v and_o be_v condense_v in_o the_o say_a cover_n the_o pot_n must_v be_v strong_o sodder_v to_o the_o engine_n at_o the_o aperture_n ss_z to_o keep_v in_o the_o water_n contain_v in_o the_o space_n tttt_n between_o the_o pot_n and_o the_o engine_n the_o little_a pipe_n hh_o must_v be_v shut_v with_o a_o screw_n instead_o of_o weight_n as_o you_o see_v in_o the_o figure_n there_o shall_v be_v some_o kind_n of_o iron_n box_n fasten_v to_o the_o engine_n aa_n to_o keep_v fire_n to_o it_o last_o the_o whole_a thing_n ought_v to_o hang_v almost_o in_o aequilibrio_fw-la by_o the_o appendix_n cc_o upon_o the_o two_o pillar_n rrrr_n that_o it_o may_v easy_o be_v turn_v upside_o down_o by_o that_o way_n we_o may_v save_v the_o trouble_n of_o open_v the_o balneum_fw-la mariae_fw-la and_o so_o there_o will_v be_v no_o necessity_n to_o let_v it_o cool_v at_o all_o because_o we_o may_v look_v into_o the_o pot_n at_o any_o time_n and_o put_v new_a material_n into_o it_o without_o give_v any_o way_n to_o the_o water_n in_o the_o space_n tttt_n to_o fly_v out_o and_o beside_o the_o cover_n bb_n may_v be_v make_v of_o glass_n and_o so_o we_o can_v observe_v the_o progress_n of_o the_o distillation_n we_o may_v also_o for_o operation_n that_o require_v to_o be_v make_v in_o great_a quantity_n tie_v four_o or_o sive_fw-la such_o engine_n together_o in_o a_o great_a iron_n ring_n and_o place_v the_o sire_n in_o the_o middle_n of_o they_o so_o that_o the_o same_o sire_n will_v heat_v they_o all_o at_o the_o same_o time_n by_o this_o mean_n perhaps_o bread_n may_v be_v bake_v very_o cheap_a and_o very_a good_a with_o sea-coal_n and_o such_o a_o engine_n though_o never_o so_o great_a may_v easy_o be_v fill_v and_o empty_v by_o turn_v it_o upside_o down_o because_o it_o hang_v in_o aequilibrio_fw-la but_o i_o confess_v i_o have_v not_o yet_o try_v it_o so_o far_o experim._n iu._n august_n 10._o i_o take_v three_o ounce_n of_o cinnamon_n and_o have_v set_v they_o in_o the_o same_o manner_n as_o the_o rosemary_n late_o speak_v of_o i_o continue_v the_o sire_n till_o the_o drop_n of_o water_n will_v dry_v away_o in_o a_o minute_n time_n but_o i_o find_v afterward_o that_o almost_o nothing_o be_v draw_v out_o of_o the_o cinnamon_n i_o put_v the_o same_o cinnamon_n in_o again_o and_o i_o continue_v the_o fire_n till_o the_o drop_n of_o water_n will_v dry_v away_o in_o 2_o second_n upon_o the_o cover_n but_o the_o bottom_n of_o the_o engine_n be_v lay_v in_o cold_a water_n which_o i_o do_v renew_v from_o time_n to_o time_n so_o that_o the_o say_a bottom_n get_v very_o little_a heat_n that_o time_n i_o get_v about_o five_o dram_n of_o a_o whitish_a liquor_n with_o some_o small_a drop_n of_o oil_n swim_v at_o the_o top_n there_o be_v also_o some_o oil_n stick_v to_o the_o side_n of_o the_o glass_n and_o be_v separate_v with_o a_o knife_n do_v also_o swim_v at_o the_o top_n of_o the_o liquor_n it_o be_v somewhat_o probable_a that_o the_o oil_n draw_v after_o that_o way_n be_v not_o so_o heavy_a as_o that_o which_o be_v bring_v hither_o from_o the_o east-indies_n and_o so_o mingle_v with_o the_o phlegm_n it_o make_v it_o whitish_a and_o that_o phlegm_n have_v oil_n mix_v with_o it_o be_v so_o fragrant_a that_o it_o do_v aromatize_v there_o be_v allow_v a_o great_a quantity_n than_o of_o pure_a oil_n experim._n v._n august_n 12._o i_o put_v aniseed_n into_o a_o glass_n pot_n and_o some_o leaf_n of_o rosemary_n into_o another_o than_o i_o pour_v water_n into_o both_o of_o they_o to_o swim_v over_o the_o matter_n i_o have_v a_o mind_n to_o know_v whether_o the_o essential_a oil_n will_v not_o be_v extract_v as_o the_o jelly_n be_v extract_v from_o bone_n i_o think_v that_o the_o particle_n of_o water_n insinuate_v between_o the_o part_n of_o the_o plant_n will_v give_v occasion_n to_o the_o particle_n of_o oil_n to_o get_v loose_a and_o that_o these_o will_v afterward_o gather_v at_o the_o top_n of_o the_o water_n i_o continue_v the_o fire_n till_o a_o drop_n of_o water_n will_v