far_o as_o divers_a earthquake_n have_v do_v but_o that_o the_o fire_n pass_v through_o some_o little_a subterraneal_a cleft_n or_o channel_n or_o hide_a conveyance_n from_o one_o great_a cavity_n or_o i_o to_o another_o yet_o it_o be_v not_o improbable_a but_o that_o the_o vehement_o tremulous_a motion_n do_v oftentimes_o reach_v a_o very_a great_a way_n beyond_o the_o place_n where_o the_o explosion_n be_v make_v since_o though_o seneca_n will_v confine_v the_o extent_n of_o 25._o earthquake_n to_o two_o hundred_o mile_n yet_o observation_n make_v in_o this_o and_o the_o last_o century_n warrant_v we_o to_o allow_v they_o a_o far_o great_a spread_v the_o learned_a 26._o josephus_n acosta_n affirm_v that_o in_o the_o kingdom_n of_o peru_n in_o the_o year_n 1586_o a_o earthquake_n reach_v along_o the_o shore_n of_o the_o pacifick_n sea_n 160_o league_n and_o add_v that_o sometime_o it_o have_v in_o those_o part_n run_v on_o from_o south_n to_o north_n 300_o league_n and_o in_o the_o 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recommend_v the_o consideration_n of_o a_o experiment_n i_o remember_v i_o make_v before_o some_o learned_a man_n in_o our_o pneumatick_a engine_n for_o have_v cause_v a_o large_a and_o thick_a glass_n receiver_n to_o be_v so_o blow_v that_o it_o have_v a_o glass_n button_n in_o the_o inside_n of_o that_o part_n which_o upon_o the_o engine_n be_v to_o be_v place_v upward_o i_o cause_v a_o watch_n to_o be_v suspend_v by_o a_o little_a silverchain_n fasten_v to_o that_o button_n by_o as_o slender_a and_o soft_a a_o body_n as_o i_o think_v will_v be_v strong_a enough_o to_o support_v my_o watch_n and_o then_o the_o glass_n be_v cement_v on_o close_a to_o the_o receiver_n to_o prevent_v a_o commerce_n between_o the_o cavity_n of_o it_o and_o the_o air_n the_o watch_n that_o hang_v free_o near_o the_o middle_n of_o the_o cavity_n of_o the_o receiver_n make_v itself_o to_o be_v hear_v by_o those_o attentive_a listener_n that_o will_v hold_v their_o ear_n direct_o over_o the_o suspend_v 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that_o when_o he_o walk_v over_o the_o neighbour_a ground_n he_o find_v himself_o much_o disorder_v especial_o in_o his_o thorax_n by_o the_o effluvia_fw-la and_o that_o the_o mine-man_n and_o digger_n be_v subject_a to_o a_o malignant_a anomalous_a and_o dangerous_a sort_n of_o fever_n though_o he_o say_v he_o be_v apt_a to_o impute_v i_o know_v not_o how_o true_o some_o part_n of_o their_o obnoxiousness_n to_o it_o to_o their_o drink_n too_o much_o strong_a wine_n but_o though_o it_o be_v probable_a the_o effluvia_fw-la of_o orpimental_a body_n may_v have_v a_o great_a interest_n in_o several_a plague_n yet_o i_o strong_o suspect_v that_o many_o other_o may_v proceed_v from_o the_o steam_n of_o such_o subterraneal_a body_n as_o be_v not_o yet_o distinct_o know_v to_o we_o and_o possible_o have_v their_o effluvia_fw-la various_o combine_v either_o beneath_o or_o above_o the_o surface_n of_o the_o earth_n i_o say_v above_o because_o i_o have_v several_a time_n and_o that_o without_o 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fear_v physician_n will_v not_o be_v able_a to_o discover_v all_o the_o subterraneal_a body_n who_o effluvia_fw-la produce_v or_o contribute_v to_o the_o plague_n yet_o i_o do_v not_o think_v it_o impossible_a that_o by_o diligent_a observation_n and_o trial_n sagacious_a man_n may_v discover_v divers_a of_o they_o and_o perhaps_o antidote_n against_o they_o and_o though_o the_o business_n of_o this_o paper_n be_v to_o treat_v of_o the_o cause_n not_o the_o remedy_n of_o the_o plague_n yet_o i_o love_v mankind_n too_o well_o to_o suppress_v on_o this_o occasion_n a_o observation_n that_o by_o god_n blessing_n may_v in_o some_o case_n save_o the_o life_n of_o many_o in_o the_o late_a great_a plague_n that_o sweep_v away_o so_o many_o thousand_o at_o london_n there_o stay_v in_o the_o city_n a_o ingenious_a physician_n that_o be_v breed_v by_o the_o learned_a diemerbroeck_n who_o book_n de_fw-fr peste_fw-fr i_o prefer_v to_o any_o i_o have_v yet_o read_v of_o that_o disease_n this_o doctor_n who_o name_n i_o be_o sorry_a i_o have_v forget_v hear_v that_o i_o be_v desirous_a to_o receive_v a_o account_n of_o the_o plague_n from_o some_o intelligent_a eye-witness_n and_o have_v soon_o after_o some_o occasion_n to_o pass_v near_o the_o place_n in_o the_o country_n where_o i_o then_o reside_v be_v please_v to_o give_v i_o a_o visit_n and_o a_o rational_a account_n of_o the_o main_a thing_n i_o desire_v to_o know_v and_o when_o i_o inquire_v about_o his_o method_n of_o cure_n after_o he_o have_v tell_v i_o that_o he_o have_v twice_o have_v the_o plague_n himself_o whereof_o he_o show_v i_o some_o effect_n he_o add_v that_o after_o many_o and_o various_a trial_n he_o perceive_v that_o abundance_n of_o his_o patient_n die_v after_o the_o bubos_n carbuncle_n or_o pestilential_a tumor_n appear_v because_o upon_o a_o little_a refrigeration_n of_o the_o body_n by_o the_o air_n and_o oftentimes_o by_o the_o very_a fear_n that_o dishearten_v the_o patient_n the_o tumor_n will_v sudden_o subside_o and_o the_o pestilential_a matter_n recoil_v upon_o the_o vital_a part_n will_v quick_o dispatch_v the_o fatal_a work_n wherefore_o he_o bethink_v himself_o of_o a_o method_n by_o mean_n of_o which_o he_o assure_v i_o he_o have_v not_o lose_v one_o patient_n of_o very_a many_o he_o treat_v if_o he_o can_v but_o as_o he_o usual_o do_v by_o good_a alexipharmical_n and_o cordial_a remedy_n enable_v and_o excite_v nature_n to_o expel_v the_o peccant_a matter_n into_o a_o tumour_n for_o than_o he_o present_o clap_v on_o a_o appropriate_v draw_v plaster_n which_o will_v never_o suffer_v the_o tumour_n to_o subside_o but_o break_v it_o or_o make_v it_o fit_a for_o open_v and_o thereby_o give_v nature_n a_o convenient_a vent_n at_o which_o to_o discharge_v the_o matter_n that_o oppress_v she_o this_o plaster_n it_o will_v easy_o be_v think_v i_o be_v desirous_a to_o know_v and_o he_o tell_v i_o it_o be_v a_o chemical_a one_o and_o that_o it_o be_v no_o other_o than_o the_o magnes_fw-la arsenicalis_fw-la of_o angelus_n sala_fw-la who_o description_n because_o the_o book_n wherein_o it_o be_v find_v be_v in_o few_o hand_n i_o have_v here_o annex_v if_o this_o prove_v as_o successful_a in_o other_o plague_n as_o it_o do_v to_o those_o that_o use_v it_o in_o that_o of_o london_n there_o will_v be_v just_a cause_n to_o admire_v and_o praise_v the_o benignity_n of_o divine_a providence_n which_o in_o a_o poisonous_a mineral_n that_o probable_o do_v oftentimes_o concur_v to_o produce_v the_o plague_n have_v lay_v up_o a_o remedy_n for_o it_o emplastrum_fw-la attractivum_fw-la pestilentiale_fw-la nostrum_fw-la ℞_o gummi_fw-la sagapeni_fw-la ammoniaci_fw-la galbani_fw-la a_o ℥_o iii._o terebinthinae_fw-la coctae_fw-la cerae_fw-la virgin_n ana_fw-la ℥_o ivss_n magnetis_fw-la arsenicalis_fw-la subtiliter_fw-la pulverisati_fw-la ℥_o two_o radic_a '_o aronis_fw-la pulverisat_fw-la '_o ℥_o i._o gummi_fw-la depurentur_fw-la cum_fw-la aceto_fw-la scyllitico_fw-la &_o ad_fw-la consistentiam_fw-la emplastri_fw-la coquantur_fw-la &_o postea_fw-la ponderentur_fw-la deinde_fw-la cum_fw-la rebus_fw-la aliis_fw-la fiat_fw-la emplastrum_fw-la lege_fw-la artis_fw-la hoc_fw-la emplastro_fw-la carbunculus_fw-la obducatur_fw-la quod_fw-la paucis_fw-la horis_fw-la venenum_fw-la extrahit_fw-la praeparatio_fw-la magnetis_fw-la arsenicalis_fw-la antea_fw-la dicti_fw-la ℞_o arsenici_fw-la chrystallini_fw-la sulphuris_fw-la vitri_fw-la antimonii_fw-la crudi_fw-la ana_fw-la haec_fw-la tria_fw-la in_o mortario_fw-la ferreo_fw-la pulverisentur_fw-la in_o vase_n fortissimo_fw-la vitreo_fw-la ponantur_fw-la ad_fw-la ignem_fw-la arenae_fw-la donec_fw-la vitrum_fw-la optimè_fw-la incalcscat_fw-la &_o praedicta_fw-la solvantur_fw-la &_o liquentur_fw-la instar_fw-la picis_fw-la quod_fw-la observabitur_fw-la quando_fw-la filum_fw-la quoddam_fw-la immittitur_fw-la in_o fundum_fw-la quod_fw-la extractum_fw-la postea_fw-la instar_fw-la terebinthinae_fw-la trahetur_fw-la ubi_fw-la satis_fw-la coctum_fw-la erit_fw-la postea_fw-la remove_n vitrum_fw-la ab_fw-la igne_fw-la &_o ubi_fw-la refrigeratum_fw-la est_fw-la rump_n &_o subtiliter_fw-la pulverisa_fw-la &_o ad_fw-la usum_fw-la serva_fw-la by_o
in_o the_o production_n of_o divers_a difficult_a phaenomena_n of_o nature_n that_o be_v wont_a to_o be_v refer_v to_o less_o genuine_a as_o well_o as_o less_o intelligible_a cause_n finis_fw-la a_o experimental_a discourse_n of_o some_o unheeded_a cause_n of_o the_o insalubrity_n and_o salubrity_n of_o the_o air_n be_v a_o part_n of_o a_o intend_a natural_a history_n of_o air_n london_n print_v by_o m._n flesher_n for_o richard_n davis_n bookseller_n in_o oxford_n 1685._o the_o preface_n have_v heretofore_o have_v occasion_n to_o draw_v together_o under_o certain_a head_n divers_a unpublished_a observation_n and_o experiment_n of_o my_o own_o and_o some_o of_o other_o man_n by_o way_n of_o memorial_n for_o a_o natural_a history_n of_o the_o air_n i_o think_v fit_a by_o more_o large_o treat_v of_o two_o or_o three_o of_o the_o subject_n distinct_o mention_v in_o my_o scheme_n of_o title_n to_o give_v a_o semplar_n or_o specimen_fw-la of_o what_o may_v be_v do_v upon_o the_o other_o head_n of_o the_o design_a history_n upon_o this_o account_n i_o treat_v somewhat_o large_o of_o the_o salubrity_n and_o insalubrity_n of_o the_o air_n as_o a_o subject_a which_o for_o the_o importance_n of_o it_o to_o man_n health_n and_o life_n i_o think_v deserve_v to_o be_v attentive_o consider_v and_o have_v its_o cause_n diligent_o inquire_v into_o and_o have_v observe_v that_o among_o the_o six_o principal_a cause_n of_o the_o healthfulness_n or_o insalubrity_n of_o the_o air_n namely_o the_o climate_n the_o soil_n the_o situation_n of_o the_o place_n the_o season_n of_o the_o year_n the_o reign_a wind_n and_o contingency_n whether_o more_o or_o less_o frequent_a and_o especial_o subterraneal_a steam_n have_v i_o say_v observe_v that_o among_o these_o cause_n there_o be_v one_o viz._n the_o last_o name_v about_o which_o i_o think_v i_o can_v offer_v something_o that_o i_o have_v not_o meet_v with_o in_o the_o book_n of_o physician_n that_o treat_v of_o it_o i_o be_v thereby_o invite_v to_o set_v down_o my_o thought_n and_o observation_n by_o way_n of_o conjecture_n which_o i_o be_v make_v to_o believe_v will_v appear_v uncommon_a and_o will_v not_o prove_v useless_a these_o observation_n and_o reflection_n i_o refer_v for_o clearness_n and_o distinction_n sake_n to_o four_o proposition_n but_o when_o i_o have_v go_v through_o the_o three_o first_o and_o make_v some_o progress_n in_o the_o four_o be_v hinder_v by_o divers_a avocation_n to_o make_v a_o end_n of_o it_o i_o lay_v by_o the_o whole_a discourse_n in_o a_o place_n which_o i_o think_v a_o safe_a one_o but_o when_o afterward_o i_o have_v some_o opportunity_n to_o dispatch_v what_o remain_v i_o find_v all_o the_o diligence_n i_o use_v to_o retrieve_v the_o entire_a manuscript_n unsuccessfull_a at_o this_o surprise_v accident_n i_o confess_v i_o be_v somewhat_o trouble_v because_o whatever_o may_v be_v think_v of_o the_o discursive_a part_n of_o those_o paper_n the_o historical_a part_n contain_v divers_a matter_n of_o fact_n that_o i_o do_v not_o meet_v with_o in_o book_n nor_o can_v now_o distinct_o remember_v and_o will_v not_o perhaps_o be_v light_v on_o by_o even_a physician_n or_o such_o naturalist_n as_o derive_v their_o knowledge_n only_o from_o they_o it_o be_v upon_o this_o consideration_n that_o have_v afterward_o meet_v with_o many_o paper_n that_o belong_v to_o most_o part_n of_o the_o unhappy_a discourse_n i_o think_v fit_a to_o put_v they_o together_o in_o the_o best_a order_n i_o can_v that_o i_o may_v not_o loose_v what_o may_v give_v some_o light_n to_o so_o important_a a_o subject_a as_o the_o theory_n of_o disease_n and_o this_o course_n i_o the_o rather_o pitch_v upon_o because_o before_o the_o paper_n about_o the_o salubrity_n of_o the_o air_n i_o miss_v two_o other_o of_o my_o manuscript_n whereof_o the_o former_a contain_v a_o cellection_n of_o medicinal_a thing_n and_o the_o second_o a_o defence_n of_o the_o mechanical_a way_n of_o philosophize_v about_o natural_a thing_n as_o it_o respect_v religion_n and_o i_o remember_v that_o have_v former_o lose_v a_o manuscript_n i_o be_v much_o concern_v for_o i_o purposely_o make_v a_o noise_n of_o it_o whence_o i_o suppose_v the_o plagiary_n will_v conclude_v himself_o unable_a to_o make_v it_o pass_v for_o he_o and_o in_o effect_n the_o book_n be_v in_o a_o while_n after_o private_o bring_v back_o so_o that_o i_o find_v it_o lay_v in_o a_o by-place_n where_o i_o have_v before_o as_o fruitless_o as_o careful_o seek_v it_o a_o experimental_a discourse_n of_o some_o unheeded_a cause_n of_o the_o insalubrity_n and_o salubrity_n of_o the_o air_n etc._n etc._n the_o six_o and_o last_o thing_n upon_o which_o the_o salubrity_n and_o insalubrity_n of_o the_o air_n depend_v be_v the_o impregnation_n it_o receive_v from_o subterraneal_a effluvia_fw-la and_o though_o this_o be_v a_o cause_n not_o wont_a to_o be_v much_o heed_v by_o physician_n themselves_o yet_o i_o take_v it_o to_o be_v oftentimes_o one_o of_o the_o most_o considerable_a in_o its_o effect_n the_o effluvia_fw-la that_o pass_v into_o the_o air_n may_v be_v distinguish_v into_o several_a sort_n according_a to_o their_o respective_a nature_n as_o have_v be_v elsewhere_o show_v wherefore_o i_o shall_v now_o only_o take_v notice_n of_o the_o difference_n that_o may_v be_v take_v from_o place_n and_o time_n upon_o which_o account_n we_o may_v consider_v that_o some_o of_o they_o arise_v from_o the_o crust_n if_o i_o may_v so_o call_v it_o or_o more_o superficial_a part_n of_o the_o earth_n and_o other_o have_v a_o deep_a original_a ascend_v out_o of_o the_o low_a part_n and_o as_o it_o be_v bowel_n of_o the_o terraqueous_a globe_n and_o to_o this_o difference_n take_v from_o place_n i_o must_v add_v another_o perhaps_o no_o less_o considerable_a afford_v by_o time_n which_o difference_n relate_v chief_o to_o the_o second_o sort_n of_o steam_n new_o mention_v of_o the_o subterraneal_a effluvia_fw-la some_o 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always_o take_v the_o liberty_n to_o imitate_v she_o and_o consider_v the_o effluvia_fw-la of_o the_o terraqueous_a globe_n in_o the_o more_o general_a notion_n that_o they_o be_v so_o i_o know_v it_o be_v frequent_o observe_v and_o usual_o grant_v that_o marish_a ground_n and_o wet_a soil_n be_v wont_a to_o be_v unhealthful_a because_o of_o the_o moist_a and_o crude_a vapour_n that_o the_o stagnate_a water_n send_v up_o too_o copious_o into_o the_o air._n and_o on_o the_o other_o side_n dry_a soil_n be_v because_o of_o their_o be_v such_o general_o look_v upon_o as_o healthy_a nor_o do_v i_o deny_v that_o these_o observation_n do_v most_o common_o hold_v true_a but_o yet_o i_o think_v that_o beside_o what_o can_v be_v just_o ascribe_v to_o the_o moist_a vapour_n or_o dry_a exhalation_n we_o have_v be_v speak_v of_o in_o many_o place_n the_o healthfulness_n and_o insalubrity_n of_o the_o air_n may_v be_v ascribe_v to_o other_o sort_n of_o effluvia_fw-la from_o the_o soil_n than_o those_o that_o act_n mere_o or_o perhaps_o principal_o as_o these_o be_v either_o moist_a or_o dry_a proposition_n i._n to_o deliver_v my_o thought_n about_o this_o matter_n somewhat_o more_o distinct_o i_o shall_v lay_v they_o down_o in_o the_o four_o ensue_a observation_n or_o proposition_n whereof_o the_o first_o shall_v be_v this_o it_o seem_v probable_a that_o in_o divers_a place_n the_o salubrity_n or_o insalubrity_n of_o the_o air_n consider_v in_o the_o general_n may_v be_v in_o good_a part_n due_a to_o subterraneal_a expiration_n especial_o to_o those_o that_o i_o late_o call_v ordinary_a emission_n for_o in_o some_o place_n the_o air_n be_v observe_v to_o be_v much_o more_o healthy_a than_o the_o manifest_a quality_n of_o it_o will_v make_v one_o expect_v and_o in_o divers_a of_o these_o case_n i_o see_v no_o cause_n to_o which_o such_o a_o happy_a constitution_n may_v more_o probable_o be_v ascribe_v than_o to_o friendly_a effluvia_fw-la