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Word A Word B Word C Word D Occurrence Frequency Band MI MI Band Prominent
nature_n body_n matter_n part_n 7,025 5 5.2206 4 true
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ID Title Author Corrected Date of Publication (TCP Date of Publication) STC Words Pages
A28974 Experiments and considerations about the porosity of bodies in two essays / by the honourable Robert Boyle ... Boyle, Robert, 1627-1691. 1684 (1684) Wing B3966; ESTC R17645 48,541 152

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be_v inject_v at_o the_o orifice_n of_o wound_n penetrate_v into_o the_o cavity_n of_o the_o thorax_n have_v be_v observe_v to_o be_v in_o part_n receive_v into_o the_o lung_n and_o discharge_v out_o of_o the_o aspera_fw-la arteria_fw-la by_o cough_v and_o this_o he_o mention_n as_o a_o know_a thing_n employ_v it_o as_o a_o medium_fw-la whereby_o to_o prove_v another_o the_o mention_n that_o have_v be_v make_v of_o the_o porosity_n of_o membrane_n bring_v into_o my_o mind_n what_o i_o once_o observe_v at_o the_o dissection_n make_v by_o some_o physician_n and_o anatomist_n of_o a_o lusty_a soldier_n that_o be_v hang_v for_o i_o know_v not_o what_o crime_n this_o man_n though_o otherwise_o young_a and_o sound_a be_v observe_v to_o have_v be_v long_o molest_v with_o what_o they_o call_v a_o short_a dry_a cough_n which_o make_v we_o expect_v to_o find_v something_o much_o amiss_o in_o his_o lung_n but_o meet_v with_o nothing_o there_o we_o be_v at_o a_o loss_n for_o the_o cause_n of_o 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that_o it_o be_v far_o less_o difficult_a to_o prove_v the_o permeableness_n of_o single_a membrane_n than_o that_o of_o such_o a_o part_n of_o the_o body_n as_o seem_v to_o be_v a_o aggregate_v of_o several_a part_n which_o in_o regard_n of_o their_o close_a adhesion_n be_v look_v upon_o but_o as_o one_o part_n to_o which_o on_o that_o account_n man_n common_o give_v a_o distinct_a name_n but_o yet_o there_o be_v some_o phaenomena_n that_o seem_v to_o argue_v that_o even_o such_o compound_a or_o result_a part_n if_o i_o may_v so_o call_v they_o be_v not_o destitute_a of_o pore_n which_o whether_o they_o be_v not_o some_o of_o they_o the_o orifice_n of_o exceed_v slender_a and_o therefore_o unobserved_a capillary_a vessel_n i_o must_v not_o now_o stay_v to_o inquire_v when_o the_o cavity_n of_o the_o abdomen_fw-la in_o those_o hydropical_a person_n that_o be_v trouble_v with_o a_o ascite_v be_v fill_v with_o water_n or_o rather_o with_o a_o liquor_n that_o i_o have_v find_v to_o be_v 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of_o a_o live_a dog_n especial_o if_o his_o blood_n or_o body_n be_v rank_o scent_v i_o shall_v divers_a hour_n after_o plain_o find_v that_o odour_n in_o the_o excrement_n i_o void_v by_o siege_n a_o famous_a chirurgeon_n and_o anatomist_n relate_v that_o one_o who_o be_v very_o ill_o of_o a_o dropsy_n judge_v to_o arise_v from_o a_o scirrhus_n of_o the_o spleen_n come_v to_o ask_v his_o counsel_n and_o assistance_n though_o he_o judge_v the_o patient_n case_n desperate_a yet_o to_o content_v he_o he_o order_v he_o to_o dip_v a_o very_a large_a sponge_n in_o good_a quick-lime-water_n and_o have_v squeeze_v out_o the_o superfluous_a liquor_n to_o bind_v it_o upon_o the_o region_n of_o the_o spleen_n only_o shift_v it_o from_o time_n to_o time_n he_o add_v that_o after_o some_o month_n he_o be_v much_o surprise_v to_o receive_v a_o visit_n from_o this_o patient_n with_o solemn_a thanks_o for_o his_o recovery_n the_o outward_a medicine_n have_v it_o seem_v resolve_v the_o scirrhus_n and_o concur_v with_o nature_n to_o evacuate_v the_o hydropical_a humour_n for_o the_o resolution_n of_o which_o hard_a tumour_n it_o seem_v necessary_a that_o the_o sanative_a corpuscle_n of_o the_o external_a remedy_n shall_v at_o length_n penetrate_v not_o only_o the_o epidermis_fw-fr and_o the_o true_a cutis_fw-la but_o the_o muscle_n themselves_o of_o the_o abdomen_fw-la and_o some_o other_o interpose_v part_n these_o instance_n may_v be_v strengthen_v by_o a_o eminent_a observation_n of_o galen_n who_o take_v notice_n that_o bone_n be_v sometime_o break_v without_o pierce_v the_o skin_n that_o cover_v the_o part_n they_o belong_v to_o when_o the_o callus_fw-la be_v make_v and_o the_o break_a part_n of_o the_o bone_n begin_v to_o be_v conglutinate_v together_o a_o portion_n of_o that_o blood_n which_o have_v flow_v to_o the_o part_n affect_v be_v carry_v to_o the_o skin_n and_o permeat_n that_o so_o as_o to_o wet_v and_o foul_a the_o dress_n or_o bandage_n that_o be_v keep_v upon_o the_o limb_n affect_v by_o the_o fracture_n chap._n vii_o bones_o horn_n and_o part_n of_o the_o like_a substance_n be_v those_o that_o be_v grant_v to_o be_v the_o most_o solid_a of_o the_o body_n of_o animal_n i_o come_v in_o the_o last_o place_n to_o show_v by_o particular_a experiment_n that_o these_o also_o have_v their_o pore_n i_o say_v by_o particular_a experiment_n because_o in_o a_o general_a way_n their_o porosity_n have_v be_v already_o prove_v by_o the_o same_o argument_n from_o their_o original_a texture_n nutrition_n augmentation_n etc._n etc._n that_o have_v be_v employ_v to_o manifest_v the_o porousness_n of_o animal_n substance_n in_o general_n that_o the_o nail_n of_o man_n as_o well_o as_o their_o skin_n be_v porous_a may_v be_v gather_v from_o their_o be_v easy_o and_o permanent_o tinge_v with_o divers_a metalline_a solution_n and_o particular_o with_o those_o of_o silver_n in_o aquafortis_n and_o gold_n in_o aqua_fw-la regius_fw-la the_o former_a of_o which_o solution_n though_o cold_a will_v but_o too_o easy_o thing_fw-mi the_o skin_n and_o nail_n it_o chance_n to_o touch_v and_o make_v some_o little_a stay_n upon_o with_o a_o dark_a and_o blackish_a colour_n which_o i_o find_v not_o that_o i_o can_v wash_v out_o with_o water_n or_o even_o with_o a_o far_o more_o penetrate_a and_o abstersive_a liquor_n the_o like_a durableness_n i_o find_v in_o the_o purple_a spot_n that_o i_o sometime_o purposely_o make_v on_o my_o nail_n by_o let_v some_o little_a drop_n of_o the_o solution_n of_o gold_n in_o aqua_fw-la regius_fw-la dry_a upon_o they_o which_o i_o now_o and_o then_o do_v to_o observe_v the_o way_n of_o the_o nail_n growth_n for_o if_o the_o stain_n be_v make_v near_o the_o root_n of_o the_o nail_n it_o will_v be_v still_o though_o very_o slow_o thrust_v on_o by_o the_o new_a matter_n till_o after_o some_o week_n it_o
where_o intimate_v from_o the_o mixture_n of_o a_o metalline_a substance_n which_o i_o have_v separat_v from_o it_o and_o diamond_n though_o much_o hard_a body_n than_o emery_n and_o indeed_o the_o hard_a we_o know_v of_o in_o nature_n be_v so_o far_o from_o be_v as_o some_o of_o late_o have_v write_v the_o most_o ponderous_a of_o body_n that_o have_v examine_v they_o hydrostatical_o by_o a_o way_n elsewhere_o mention_v i_o find_v they_o not_o much_o heavy_a than_o either_o crystal_n or_o fine_a glass_n and_o not_o half_a so_o heavy_a as_o the_o light_a metal_n chap._n iii_o the_o next_o thing_n from_o which_o the_o porousness_n of_o solid_a body_n and_o even_o those_o that_o belong_v to_o the_o mineral_n kingdom_n as_o the_o chemist_n speak_v may_v be_v deduce_v be_v the_o same_o with_o the_o first_o of_o those_o from_o which_o we_o former_o argue_v the_o porosity_n of_o substance_n belong_v to_o the_o animal_n kingdom_n namely_o the_o very_a frame_n &_o constitution_n of_o such_o body_n for_o the_o solid_a body_n themselves_o result_v from_o the_o convention_n or_o coalition_n of_o a_o great_a number_n of_o particle_n of_o several_a bigness_n and_o shape_n we_o can_v reasonable_o suppose_v especial_o in_o those_o concretes_n wherein_o they_o be_v not_o range_v by_o a_o seminal_a principle_n that_o they_o shall_v be_v contex_v so_o as_o to_o touch_v one_o another_o exact_o every_o where_o and_o therefore_o they_o must_v of_o necessity_n leave_v some_o little_a interval_n and_o pore_n between_o they_o this_o reason_n will_v i_o hope_v appear_v clear_a enough_o of_o itself_o to_o he_o that_o shall_v attentive_o consider_v it_o especial_o if_o he_o know_v that_o it_o have_v be_v geometrical_o demonstrate_v that_o there_o be_v but_o very_o few_o figure_n that_o will_v as_o they_o speak_v implere_fw-la spatium_fw-la that_o be_v which_o be_v adjust_v to_o one_o another_o will_v so_o exact_o touch_v that_o there_o be_v not_o the_o least_o unfilled_a space_n within_o the_o circumference_n or_o circuit_n if_o the_o figure_n be_v plain_a or_o within_o the_o ambient_fw-la superficies_n if_o they_o be_v solid_a so_o that_o consider_v the_o vast_a variety_n of_o other_o figure_n which_o make_v epicurus_n and_o other_o atomist_n pronounce_v it_o incomprehensible_a it_o be_v very_o obvious_a to_o conceive_v that_o corpuscle_n of_o such_o differ_a shape_n be_v put_v together_o will_v leave_v multitude_n of_o little_a pore_n intercept_v between_o those_o part_n that_o do_v not_o every_o where_o touch_v one_o another_o and_o even_o the_o mathematical_a figure_n late_o speak_v of_o may_v be_v say_v to_o fill_v space_n rather_o in_o a_o geometrical_a than_o a_o physical_a sense_n for_o if_o such_o portion_n of_o matter_n as_o be_v require_v to_o constitute_v for_o instance_n a_o cube_n be_v actual_o put_v together_o they_o will_v not_o exact_o fill_v the_o space_n comprehend_v within_o the_o ambient_fw-la surface_n of_o the_o body_n they_o compose_v because_o the_o component_a body_n be_v physical_a consist_v of_o corpuscle_n of_o their_o own_o particular_a shape_n which_o we_o never_o find_v mathematical_o exquisite_a as_o if_o for_o example_n the_o cube_n be_v of_o marble_n no_o art_n can_v polish_v the_o side_n of_o a_o component_a body_n so_o as_o that_o they_o shall_v be_v perfect_o smooth_v since_o as_o if_o i_o mistake_v not_o the_o learned_a gassendus_fw-la well_o observe_v emery_n pumice-stone_n and_o even_o puttee_n or_o other_o powder_n that_o be_v employ_v to_o polish_v they_o do_v themselves_o consist_v of_o little_a hard_a angular_a corpuscle_n that_o leave_v small_a scratch_n like_v so_o many_o little_a furrow_n on_o their_o surface_n which_o must_v needs_o hinder_v the_o perfect_a contact_n of_o the_o whole_a surface_n of_o two_o contiguous_a body_n and_o consequent_o leave_v here_o and_o there_o interval_n or_o pore_n between_o those_o surface_n to_o which_o i_o shall_v add_v that_o marble_n itself_o as_o it_o be_v marble_n abound_v with_o internal_a pore_n as_o will_v ere_o long_o appear_v by_o experience_n and_o as_o may_v be_v rational_o conjecture_v from_o the_o specific_a levity_n of_o it_o in_o comparison_n of_o gold_n and_o lead_n chap._n iu._n have_v dispatch_v the_o argument_n à_fw-fr priori_fw-la that_o may_v be_v employ_v to_o show_v the_o porousness_n of_o solid_a body_n it_o will_v be_v now_o seasonable_a to_o propose_v some_o experiment_n and_o observation_n that_o may_v as_o it_o be_v à_fw-la posteriori_fw-la either_o evince_n or_o confirm_v the_o same_o doctrine_n of_o these_o instance_n some_o relate_v to_o solid_a body_n that_o be_v of_o less_o specific_a gravity_n some_o to_o fossiles_n presume_v to_o be_v devoid_a of_o metalline_a part_n some_o to_o mineral_n that_o be_v think_v to_o participate_v of_o a_o metalline_a nature_n some_o to_o metal_n themselves_o and_o some_o to_o glass_n to_o begin_v with_o the_o first_o sort_n of_o these_o instance_n that_o wood_n be_v porous_a there_o be_v many_o thing_n that_o argue_v some_o of_o which_o be_v elsewhere_o mention_v but_o few_o will_v suspect_v that_o quicksilver_n which_o be_v so_o unapt_a to_o enter_v the_o pore_n of_o body_n much_o less_o compact_a shall_v permeate_n piece_n of_o wood_n of_o a_o considerable_a thickness_n and_o yet_o that_o we_o have_v make_v it_o do_v by_o the_o follow_a experiment_n we_o take_v a_o wooden_a trunk_n such_o as_o be_v employ_v to_o shoot_v pellet_n at_o bird_n with_o strength_n enough_o to_o kill_v they_o and_o have_v close_o stop_v one_o end_n of_o it_o we_o pour_v in_o quick_a silver_n at_o the_o other_o till_o it_o reach_v to_o a_o good_a height_n in_o the_o cylindrical_a cavity_n of_o the_o instrument_n and_o then_o the_o low_a part_n of_o the_o metalline_a liquor_n be_v assist_v by_o the_o weight_n of_o the_o incumbent_a one_o not_o to_o mention_v that_o of_o the_o air_n to_o press_v into_o the_o pore_n of_o the_o wood_n they_o issue_v out_o at_o they_o on_o all_o side_n in_o great_a number_n of_o minute_n drop_n much_o after_o the_o manner_n of_o quicksilver_n strain_v through_o leather_n out_o of_o amalgam_n which_o be_v a_o phaenomenon_n not_o unpleasant_a to_o behold_v but_o till_o i_o have_v opportunity_n to_o repeat_v this_o experiment_n with_o differ_v circumstance_n i_o shall_v not_o think_v it_o fit_a to_o lay_v much_o stress_n upon_o it_o for_o want_v of_o know_v what_o interest_n the_o great_a weight_n of_o the_o quick_a silver_n may_v have_v have_v in_o the_o event_n and_o this_o caution_n may_v perchance_o be_v applicable_a to_o the_o follow_a experiment_n namely_o that_o have_v by_o the_o help_n of_o my_o pneumatical_a engine_n withdraw_v the_o air_n from_o one_o side_n of_o a_o round_a piece_n of_o board_n the_o air_n on_o the_o opposite_a side_n not_o have_v its_o pressure_n any_o long_o resist_v by_o that_o which_o it_o use_v to_o meet_v with_o from_o the_o withdraw_v air_n press_v so_o strong_o against_o the_o surface_n of_o the_o wood_n expose_v to_o it_o as_o to_o make_v itself_o way_n through_o the_o pore_n of_o it_o and_o get_v copious_o enough_o into_o the_o cavity_n whence_o the_o other_o air_n have_v be_v pump_v out_o the_o weight_n of_o the_o incumbent_a atmosphere_n do_v on_o this_o occasion_n what_o the_o weight_n of_o the_o quicksilver_n do_v on_o that_o last_o recite_v which_o be_v a_o surprise_v spectacle_n to_o the_o bystander_n because_o the_o board_n that_o be_v thus_o permeate_v be_v of_o strong_a wood_n and_o of_o considerable_a thickness_n i_o shall_v here_o subjoin_v several_a other_o argument_n of_o the_o porousness_n of_o wood_n if_o i_o can_v display_v they_o without_o more_o word_n than_o i_o be_o willing_a to_o allow_v they_o and_o i_o presume_v it_o may_v here_o suffice_v if_o i_o let_v you_o see_v by_o some_o surprise_v effect_n that_o when_o wood_n be_v reduce_v to_o that_o thinness_n that_o its_o closeness_n or_o porosity_n may_v convenient_o be_v examine_v it_o will_v easy_o enough_o give_v passage_n even_o unto_o visible_a odorable_a and_o ting_a corpuscle_n though_o they_o invade_v it_o not_o in_o the_o form_n of_o a_o liquor_n but_o of_o dry_a exhalation_n so_o they_o be_v not_o incommensurate_a to_o its_o pore_n this_o i_o suppose_v you_o will_v not_o scruple_n to_o infer_v from_o the_o follow_a trial_n as_o they_o be_v long_o since_o set_v down_o in_o one_o of_o my_o note-book_n 1._o the_o fume_n of_o our_o smoke_a liquor_n describe_v in_o the_o forego_n essay_n tinge_v a_o copper_n half_a penny_n through_o a_o broad_a thin_a shave_n of_o dale_n that_o do_v not_o when_o hold_v against_o the_o window_n discover_v any_o perforation_n tinge_v it_o i_o say_v very_o deep_o in_o about_o a_o quarter_n of_o a_o minute_n and_o somewhat_o less_o 2._o the_o same_o fume_n tinge_v manifest_o but_o not_o so_o notable_o the_o same_o half_a penny_n first_o cleanse_v through_o two_o such_o shave_n of_o dale_n lay_v one_o upon_o
and_o well_o soak_v up_o make_v it_o transparent_a but_o upon_o the_o recess_n or_o evaporation_n of_o the_o imbibed_a particle_n of_o water_n the_o pore_n of_o the_o little_a stone_n become_v crooked_a again_o reflect_v the_o ray_n of_o light_n they_o shall_v transmit_v which_o explication_n will_v be_v the_o better_o allow_v of_o if_o my_o memory_n do_v not_o misinform_v i_o when_o it_o tell_v i_o that_o a_o learned_a member_n of_o the_o royal_a society_n find_v the_o oculus_fw-la mundi_fw-la to_o weigh_v more_o in_o a_o nice_a balance_n when_o it_o be_v take_v out_o of_o the_o water_n and_o well_o wipe_v than_o before_o it_o be_v put_v in_o this_o stone_n which_o very_o few_o of_o the_o writer_n about_o gem_n take_v notice_n of_o be_v so_o rare_a and_o difficult_a to_o be_v get_v that_o i_o have_v not_o opportunity_n to_o make_v upon_o it_o all_o the_o trial_n i_o desire_v and_o therefore_o though_o the_o subject_n be_v curious_a i_o may_v i_o hope_v be_v excuse_v if_o i_o hasten_v from_o it_o to_o another_o there_o be_v so_o much_o difference_n in_o many_o quality_n betwixt_o stone_n and_o metal_n that_o it_o be_v very_o probable_a that_o when_o the_o corpuscle_n of_o both_o come_v to_o be_v bring_v together_o into_o one_o mass_n they_o will_v not_o touch_v one_o another_o so_o close_o as_o not_o to_o leave_v store_n of_o little_a interval_n or_o pore_n between_o they_o and_o upon_o this_o ground_n i_o have_v be_v apt_a to_o think_v that_o divers_a very_o hard_a stone_n diaphanous_a and_o opacous_a be_v not_o devoid_a of_o porosity_n for_o i_o have_v elsewhere_o deliver_v a_o way_n by_o which_o i_o have_v obtain_v good_a store_n of_o metalline_a part_n both_o from_o american_n granat_n and_o from_o emery_n though_o this_o last_o be_v so_o exceed_v hard_o a_o stone_n that_o it_o be_v usual_o employ_v by_o artificer_n to_o work_v upon_o iron_n and_o steel_n and_o to_o cut_v not_o only_a rock_n crystal_n but_o divers_a gem_n that_o be_v hard_a than_o either_o that_o or_o steel_n upon_o the_o same_o ground_n one_o may_v probable_o infer_v the_o porosity_n of_o many_o artificial_a gem_n make_v by_o fusion_n for_o to_o give_v these_o the_o colour_n of_o sapphir_n topaz_n amethyst_n etc._n etc._n we_o be_v wont_n to_o add_v to_o the_o vitrifiable_a matter_n either_o some_o prepare_a metal_n as_o calcine_v copper_n calx_fw-la of_o gold_n etc._n etc._n or_o else_o some_o mineral_n as_o zaffora_n and_o manganeze_n as_o the_o glassman_n call_v magnesia_n that_o abound_v in_o metalline_a part_n nay_o i_o remember_v i_o have_v sometime_o give_v the_o colour_n to_o the_o vitrified_a substance_n by_o employ_v natural_a gem_n as_o granat_n though_o to_o show_v that_o the_o coloration_n which_o the_o mass_n receive_v from_o these_o proceed_v from_o the_o metalline_a corpuscle_n that_o lie_v hide_v in_o the_o ting_a matter_n the_o colour_n produce_v be_v not_o that_o which_o be_v conspicuous_a in_o the_o gem_n itself_o but_o one_o very_o different_a from_o it_o and_o such_o as_o the_o metal_n which_o upon_o other_o account_n i_o suppose_v the_o gem_n to_o partake_v of_o oughts_z according_a to_o the_o ground_n i_o proceed_v upon_o to_o produce_v in_o the_o vitrifiable_a matter_n and_o this_o very_a experiment_n make_v it_o also_o high_o probable_a that_o even_o natural_a transparent_a gem_n divers_a of_o which_o be_v much_o hard_a than_o marble_n iron_n &_o even_a steel_n be_v themselves_o porous_a since_o notwithstanding_o their_o transparency_n and_o seem_a homogeneity_n they_o be_v make_v up_o of_o ingredient_n of_o such_o differ_a nature_n as_o be_v stony_a and_o metalline_a corpuscle_n from_o the_o same_o ground_n we_o may_v likewise_o deduce_v the_o porosity_n of_o marcasite_n many_o of_o which_o i_o have_v observe_v to_o be_v not_o only_o hard_a enough_o plentiful_o to_o strike_v fire_n by_o collision_n with_o steel_n but_o more_o ponderous_a than_o even_o divers_a oar_n that_o be_v rich_a enough_o in_o metal_n to_o be_v wrought_v with_o good_a profit_n and_o yet_o these_o hard_a and_o heavy_a mineral_n stone_n be_v very_o far_o from_o be_v homogeneous_a since_o i_o have_v meet_v with_o few_o inanimate_a body_n produce_v by_o nature_n herself_o so_o compound_v as_o several_a marcasite_n that_o i_o have_v see_v for_o these_o be_v wont_a to_o contain_v more_o or_o less_o copper_n and_o iron_n too_o and_o they_o abound_v in_o combustible_a sulphur_n a_o corrosive_a salt_n and_o a_o certain_a fix_a substance_n which_o i_o find_v to_o differ_v from_o true_a earth_n but_o of_o who_o nature_n the_o trial_n i_o have_v hitherto_o make_v on_o it_o have_v but_o little_o satisfy_v i_o i_o may_v here_o deduce_v the_o porosity_n of_o the_o loadstone_n as_o hard_a and_o solid_a a_o body_n as_o it_o be_v partly_o from_o the_o effluvia_fw-la it_o emit_v and_o admit_v and_o partly_o from_o the_o heterogeneity_n i_o have_v by_o chemical_a trial_n find_v to_o be_v in_o it_o but_o these_o thing_n belong_v more_o proper_o to_o a_o paper_n about_o magnetical_a body_n for_o which_o i_o the_o more_o willing_o reserve_v they_o because_o other_o experiment_n will_v keep_v they_o from_o be_v needful_a to_o be_v here_o insist_v on_o the_o porosity_n of_o marble_n and_o divers_a other_o stone_n of_o like_a contexture_n may_v with_o probability_n be_v deduce_v from_o this_o that_o they_o be_v liable_a to_o be_v dissolve_v by_o divers_a of_o the_o corrosive_a menstruum_n of_o the_o chemist_n such_o as_o aqua_fw-la fortis_fw-la sp_z of_o salt_n etc._n etc._n and_o some_o of_o they_o even_o by_o vegetable_a liquor_n of_o nature_n own_o prepare_v as_o the_o juice_n of_o lemon_n and_o that_o of_o barberry_n but_o a_o more_o noble_a and_o satisfactory_a instance_n may_v be_v afford_v by_o the_o invention_n of_o stain_v or_o colour_v white_a marble_n without_o employ_v any_o fret_a liquor_n or_o spoil_v the_o texture_n of_o it_o this_o way_n be_v casual_o light_v on_o by_o a_o ingenious_a stone-cutter_n in_o oxford_n who_o gain_v by_o it_o both_o credit_n and_o money_n he_o long_v since_o think_v fit_a to_o acquaint_v i_o with_o it_o upon_o condition_n of_o secrecy_n which_o i_o have_v to_o this_o day_n inviolable_o keep_v and_o of_o my_o assist_v he_o to_o improve_v his_o invention_n by_o make_v it_o practicable_a with_o other_o colour_n then_o red._n these_o circumstance_n i_o mention_v to_o signify_v that_o i_o write_v not_o by_o guess_n of_o this_o matter_n have_v both_o see_v the_o experiment_n try_v and_o make_v it_o myself_o but_o though_o i_o find_v it_o far_o less_o improvable_a to_o other_o use_n than_o one_o will_v expect_v yet_o as_o to_o our_o present_a purpose_n it_o be_v very_o apposite_a for_o by_o this_o way_n a_o excellent_a red_a colour_n may_v be_v make_v to_o soak_v into_o a_o piece_n of_o white_a marble_n almost_o as_o oil_n will_v do_v into_o leather_n without_o impair_n that_o i_o observe_v the_o solidity_n of_o the_o stone_n which_o after_o be_v die_v will_v be_v capable_a of_o a_o fine_a gloss_n as_o before_o some_o other_o colour_n yet_o but_o few_o fair_a one_o will_v by_o this_o way_n be_v bring_v to_o soak_v into_o marble_n on_o which_o one_o may_v with_o they_o so_o define_v and_o limit_v the_o coloration_n that_o i_o remember_v the_o artificer_n when_o i_o bring_v he_o to_o kiss_v the_o king_n hand_n present_v his_o majesty_n with_o a_o andromeda_n who_o colour_n be_v so_o vivid_v that_o this_o skilful_a judge_n of_o curious_a thing_n be_v please_v to_o honour_v it_o with_o a_o place_n among_o his_o rarity_n and_o to_o satisfy_v his_o majesty_n that_o the_o fine_a red_a be_v not_o as_o some_o suspect_v a_o mere_a varnish_n i_o purposely_o break_v a_o plate_n of_o marble_n in_o who_o fragment_n he_o see_v that_o the_o pigment_n have_v sink_v to_o a_o considerable_a depth_n into_o the_o very_a substance_n of_o the_o stone_n and_o i_o doubt_v not_o but_o it_o may_v have_v be_v make_v easy_o enough_o to_o sink_v much_o deep_a if_o it_o have_v be_v 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gold_n ring_n and_o sell_v they_o with_o profit_n when_o i_o be_v inform_v of_o this_o i_o think_v of_o a_o composition_n that_o i_o hope_v may_v perform_v the_o same_o thing_n and_o perhaps_o better_a than_o that_o which_o be_v employ_v by_o they_o who_o either_o know_v not_o or_o for_o aught_o i_o can_v perceive_v use_v not_o some_o mineral_n that_o i_o think_v fit_a for_o the_o purpose_n upon_o this_o presumption_n we_o careful_o cement_v some_o clear_a fragment_n of_o native_a crystal_n with_o a_o composition_n of_o some_o volatile_a mineral_n together_o with_o a_o salt_n or_o two_o and_o have_v suffer_v the_o crucible_n to_o cool_v leisurely_o we_o have_v divers_a of_o the_o fragment_n stain_v here_o and_o there_o some_o with_o one_o colour_n and_o some_o with_o another_o as_o differ_v fume_n happen_v to_o invade_v they_o and_o of_o these_o colour_n some_o be_v dark_a or_o dull_a and_o some_o vivid_n enough_o but_o have_v consider_v the_o stain_a piece_n and_o the_o progress_n 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