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be_v well_o examine_v or_o verify_v by_o himself_o in_o the_o mean_a time_n this_o treatise_n be_v such_o that_o there_o need_v no_o other_o invitation_n to_o peruse_v it_o but_o that_o it_o be_v compose_v by_o one_o of_o the_o deep_a &_o most_o indefatigable_a searcher_n of_o nature_n which_o i_o think_v the_o world_n as_o far_o as_o i_o know_v it_o afford_v for_o i_o own_o part_n i_o feel_v a_o secret_a joy_n within_o i_o to_o see_v such_o begining_n upon_o such_o theme_n it_o be_v demonstrative_o true_a mota_n facilius_fw-la moveri_fw-la which_o cause_v i_o to_o entertain_v strong_a hope_n that_o this_o illustrious_a virtuoso_fw-la and_o restless_a inquirer_n into_o nature_n secret_n will_v not_o stop_v here_o but_o go_v on_o and_o prosper_v in_o the_o disquisition_n of_o the_o other_o principal_a colour_n green_n red_a and_o yellow_a the_o reason_v faculty_n set_v once_o a_o sloat_n will_v be_v carry_v on_o and_o that_o with_o ease_n especial_o when_o the_o production_n thereof_o meet_v as_o they_o do_v here_o with_o so_o greedy_a a_o entertainment_n at_o home_n and_o a_o broad_a i_o be_o confident_a that_o the_o royal_a society_n late_o constitute_v by_o his_o most_o excellent_a majesty_n for_o improve_n natural_a knowledge_n will_v judge_v it_o their_o interest_n to_o exhort_v our_o author_n to_o the_o prosecution_n of_o this_o argument_n consider_v how_o much_o it_o be_v their_o design_n and_o business_n to_o accumulate_v a_o good_a stock_n of_o such_o accurate_a observation_n and_o experiment_n as_o may_v afford_v they_o and_o their_o offpring_n genuine_a matter_n to_o raise_v a_o masculine_a philosophy_n upon_o whereby_o the_o mind_n of_o man_n may_v be_v ennoble_v with_o the_o knowledge_n of_o solid_a truth_n and_o the_o life_n of_o man_n benefit_v with_o ample_a accommodation_n than_o it_o have_v be_v hitherto_o our_o great_a author_n one_o of_o the_o pillar_n of_o that_o illustrious_a corporation_n be_v constant_o furnish_v large_a symbola_n to_o this_o work_n and_o be_v now_o fall_v as_o you_o see_v upon_o so_o comprehensive_a and_o important_a a_o theme_n as_o will_v if_o insist_v on_o and_o complete_v prove_v one_o of_o the_o considerabl_a piece_n of_o that_o structure_n to_o which_o if_o he_o shall_v please_v to_o add_v his_o treatise_n of_o heat_n and_o flame_n as_o he_o be_v ready_a to_o publish_v his_o experimental_a account_n of_o cold_a i_o esteem_v the_o world_n will_v be_v oblige_v to_o he_o for_o have_v show_v they_o both_o the_o right_n and_o left_a hand_n of_o nature_n and_o the_o operation_n thereof_o the_o consider_a reader_n will_v by_o this_o very_a treatise_n see_v abundant_a cause_n to_o solicit_v the_o author_n for_o more_o sure_o i_o be_o that_o of_o whatever_o of_o the_o production_n of_o his_o ingeny_n come_v into_o foreign_a part_n where_o i_o be_o happy_a in_o the_o acquaintance_n of_o many_o intelligent_a friend_n be_v high_o value_v and_o to_o my_o knowledge_n there_o be_v those_o among_o the_o french_a that_o have_v late_o begin_v to_o learn_v english_a on_o purpose_n to_o enable_v themselves_o to_o read_v his_o book_n be_v impatient_a of_o their_o traduction_n into_o latin_n if_o i_o dare_v say_v all_o i_o know_v of_o the_o eulogy_n receive_v by_o i_o from_o abroad_o concern_v he_o i_o shall_v perhaps_o make_v this_o preamble_n too_o prolix_a and_o certain_o offend_v the_o modesty_n of_o our_o author_n wherefore_o i_o shall_v leave_v this_o and_o conclude_v with_o desire_v the_o reader_n that_o if_o he_o meet_v with_o other_o fault_n beside_o those_o that_o the_o errata_fw-la take_v notice_n of_o as_o i_o believe_v he_o may_v he_o will_v please_v to_o consider_v both_o the_o weakness_n of_o the_o author_n eye_n for_o not_o review_v and_o the_o manifold_a avocation_n of_o the_o publisher_n for_o not_o do_v his_o part_n who_o take_v his_o leave_n with_o invite_v those_o that_o have_v also_o consider_v this_o nice_a subject_n experimental_o to_o follow_v the_o example_n of_o our_o noble_a author_n and_o impart_v such_o and_o the_o like_a performance_n to_o the_o now_o very_o inquisitive_a world_n farewell_n the_o content_n chap._n i._n the_o author_n show_v the_o reason_n first_o of_o his_o write_n on_o this_o subject_a 1._o next_o of_o his_o present_a manner_n of_o handle_v it_o and_o why_o he_o partly_o decline_v a_o methodical_a way_n 2._o and_o why_o he_o have_v partly_o make_v use_n of_o it_o in_o the_o history_n of_o whiteness_n and_o blackness_n 3._o chap._n 2._o some_o general_a consideration_n be_v premise_v first_o of_o the_o insignificancy_n of_o the_o observation_n of_o colour_n in_o many_o body_n 4_o 5._o and_o the_o importance_n of_o it_o in_o other_o 5._o as_o particular_o in_o the_o temper_v of_o steel_n 6_o 7_o 8._o the_o reason_n why_o other_o particular_a instance_n be_v in_o that_o place_n omit_v 9_o a_o necessary_a distinction_n about_o colour_n premise_v 10_o 11._o that_o colour_n be_v not_o inherent_a in_o the_o object_n 11._o prove_v first_o by_o the_o phantasm_n of_o colour_n to_o dream_v man_n and_o lunatic_n second_o by_o the_o sensation_n or_o apparition_n of_o light_n upon_o a_o blow_v give_v the_o eye_n or_o the_o distemper_n of_o the_o brain_n from_o internal_a vapour_n 12._o the_o author_n recite_v a_o particular_a instance_n in_o himself_o another_o that_o happen_v to_o a_o excellent_a person_n relate_v to_o he_o 13._o and_o a_o three_o tell_v he_o by_o a_o ingenious_a physician_n 14_o 15._o three_o from_o the_o change_n of_o colour_n make_v by_o the_o sensory_a disaffect_v 15_o 16._o some_o instance_n of_o this_o be_v relate_v by_o the_o author_n observe_v in_o himself_o 16_o 17._o other_o tell_v he_o by_o a_o lady_n of_o know_a veracity_n 18._o and_o other_o tell_v he_o by_o a_o very_a eminent_a man_n 19_o but_o the_o strange_a instance_n afford_v by_o such_o as_o be_v bite_v by_o the_o tarantula_n be_v omit_v as_o more_o proper_o deliver_v in_o another_o place_n 20._o chap._n 3._o that_o the_o colour_n of_o body_n depend_v chief_o on_o the_o disposition_n of_o the_o superficial_a part_n and_o partly_o upon_o the_o variety_n of_o the_o texture_n of_o the_o object_n 21._o the_o former_a of_o these_o be_v confirm_v by_o several_a person_n 22._o and_o two_o instance_n the_o first_o of_o the_o steel_n mention_v before_o the_o second_o of_o melt_a lead_n 23_o 24._o of_o which_o last_v several_a observable_n be_v note_v 25._o a_o three_o instance_n be_v add_v of_o the_o porousness_n of_o the_o appear_a smooth_a surface_n of_o cork_n 26_o 27._o and_o that_o the_o same_o kind_n of_o porousness_n may_v be_v also_o in_o the_o other_o colour_a body_n and_o of_o what_o kind_n of_o figure_n the_o superficial_a reflect_a particle_n of_o they_o may_v be_v 28._o and_o of_o what_o bulk_n and_o closeness_n of_o position_n 29._o how_o much_o these_o may_v conduce_v to_o the_o generation_n of_o colour_n
to_o think_v he_o have_v find_v in_o this_o stone_n no_o slight_a confirmation_n of_o his_o ingenious_a master_n hypothesis_n touch_v the_o generation_n of_o light_n in_o sublunary_a body_n not_o sensible_o hot._n a_o postscript_n annex_v some_o hour_n after_o the_o observation_n be_v write_v so_o many_o particular_n take_v notice_n of_o in_o one_o night_n may_v shine_v make_v this_o stone_n appear_v a_o kind_n of_o prodigy_n and_o the_o rather_o because_o have_v try_v as_o i_o former_o note_v not_o only_o a_o fine_a artificial_a crystal_n and_o some_o also_o that_o be_v natural_a but_o a_o ruby_n and_o two_o diamond_n i_o do_v not_o find_v that_o any_o of_o these_o disclose_v the_o like_a glimmer_n of_o light_n yet_o after_o all_o perceive_v by_o the_o hardness_n and_o the_o testimony_n of_o a_o skilful_a goldsmith_n that_o this_o be_v rather_o a_o natural_a than_o artificial_a stone_n for_o fear_n lest_o there_o may_v be_v some_o difference_n in_o the_o way_n of_o set_v or_o in_o 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excellent_a experiment_n make_v by_o he_o for_o the_o elucidation_n of_o this_o doctrine_n etc._n etc._n dr._n r._n sharrock_n in_o his_o ingenious_a and_o useful_a history_n of_o the_o propagation_n and_o improvement_n of_o vegetable_n publish_v in_o the_o year_n 1660._o see_v the_o discourse_n of_o the_o nature_n of_o whiteness_n and_o blackness_n blackness_n since_o for_o his_o eminent_a quality_n and_o loyalty_n grace_v by_o his_o majesty_n with_o the_o honour_n of_o knighthood_n exercitat_fw-la 325._o parag._n 4._o album_fw-la quip_n &_o nigrum_fw-la hoc_fw-la quidem_fw-la asperum_fw-la esse_fw-la dicit_fw-la ho_o vero_fw-la laeve_fw-la de_fw-fr sensu_fw-la 3._o &_o sensil_n 3._o epist._n 2._o pag._n 45._o gent._n septen_n histor_n lib._n 4._o cap._n 13._o hist_o anatom_n cent._n 3._o hist_o 44._o olearius_fw-la voy._n age_n de_fw-fr moscow_n et_fw-fr de_fw-fr perseus_n liv_o 3._o piso_n nat._n &_o med._n hist_n de_fw-fr brasil_n lib._n in_o fine_a purchas_n pilgrim_n second_o part_n seven_o book_n 3._o chap._n sect._n 5._o purchas_n ibid._n purchas_n ibid._n in_o sin_n see_v scaliger_n exercit._n 325._o sect._n 9_o nicolaus_n monardes_n lib._n simplic_n ex_fw-la india_n allator_fw-la cap._n 27._o kircher_n art_n mag._n ducis_fw-la &_o umbrae_fw-la lib._n 1._o part_n 3._o herbarist_n be_v wont_a to_o call_v this_o plant_n cyanus_n vulgaris_fw-la minor_fw-la paracelsus_n de_fw-fr mineral_n tract_n 1._o pag._n m._n 242._o see_v parkinson_n th._n botan_n trib._n 9_o cap._n 26._o parkinson_n thea_fw-mi bot._n trib._n 4._o cap._n 12._o beguinus_n tyr._n chy._n lib._n 2o._o cap._n 13o._o libr._n 2_o â—o_o cap._n 340._o see_v the_o latter_a end_n of_o the_o fifty_o experiment_n experiment_n the_o curious_a reader_n that_o desire_v further_a information_n concern_v lake_n may_v resort_v to_o the_o seven_o book_n of_o neri_n art_n of_o glass_n english_v 6_o or_o 7_o year_n since_o the_o write_n of_o this_o 49th_o experiment_n and_o illustrate_v with_o learned_a observation_n by_o the_o inquisitive_a and_o experience_a dr._n charles_n merret_n boetius_fw-la de_fw-la boot_n gem._n &_o lapid_n histor_n lib._n 2._o cap._n 8._o musaei_n wormiani_n cap._n 17._o purchas_n pilgrim_n lib._n 1._o cap._n 4._o pag._n 104._o in_o the_o year_n 1619._o behvonuâ—o_o cellini_n nell_n aree_n del_o gioiellar_n lib._n 1._o pag._n 10._o 10._o the_o narrative_a in_o the_o author_n own_o word_n be_v this_o ego_fw-la say_v he_o sanctè_fw-la affirmare_fw-la possum_fw-la i_o unam_fw-la aureo_fw-la annulo_fw-la inclusam_fw-la perpetuo_fw-la gestare_fw-la cujus_fw-la facultatem_fw-la si_fw-la gemmae_fw-la est_fw-la nunquam_fw-la satis_fw-la admirari_fw-la potui_fw-la gestaverat_fw-la enim_fw-la ante_fw-la triginta_fw-la annos_fw-la hispanus_n quidam_fw-la non_fw-la procula_fw-la puternis_fw-la aedibus_fw-la habitans_fw-la be_v cum_fw-la vitâ-functus_a esset_fw-la &_o ipsius_fw-la suspellex_fw-la ut_fw-la moris_fw-la apud_fw-la nos_fw-la est_fw-la venum_fw-la exposita_fw-la esset_fw-la inter_fw-la cetera_fw-la etiam_fw-la turcois_fw-fr exponebatur_fw-la verum_fw-la nemo_fw-la licet_fw-la complures_fw-la co_fw-la concurrissent_fw-la ut_fw-la eam_fw-la propter_fw-la coloris_fw-la elegantiam_fw-la quam_fw-la vivo_fw-la domino_fw-la habuerat_fw-la emerent_fw-la sibi_fw-la emptam_fw-la voluit_fw-la pristinum_fw-la enim_fw-la nitorem_fw-la &_o colorem_fw-la prorsus_fw-la amiserat_fw-la ut_fw-la potius_fw-la malachites_n quam_fw-la turcois_fw-fr videretur_fw-la aderat_fw-la tum_fw-la temporis_fw-la gemmae_fw-la habendae_fw-la desiderio_fw-la etiam_fw-la parens_fw-la &_o frater_fw-la meus_fw-la qui_fw-la antea_fw-la saepius_fw-la gratiam_fw-la &_o elegantiam_fw-la ipsius_fw-la viderant_fw-la mirabundi_fw-la cam_fw-la nunc_fw-la tam_fw-la esse_fw-la deformem_fw-la emit_fw-la cam_fw-la nihilominus_fw-la pater_fw-la satisfy_v vili_fw-la pretio_fw-la qua_fw-la omnibus_fw-la contemptui_fw-la crat_fw-mi ac_fw-la present_n non_fw-la eam_fw-la esse_fw-la quam_fw-la hispanus_n gestaral_a arbitrarentur_fw-la domum_fw-la reversus_fw-la pater_fw-la qui_fw-la tam_fw-la turpem_fw-la gemmam_fw-la gestare_fw-la sibi_fw-la indecorum_n putabat_fw-la eam_fw-la mihi_fw-la dono_fw-la that_fw-mi inquiens_fw-la quandoquidem_fw-la fili_fw-la mi_fw-mi vulgi_fw-la fama_fw-la est_fw-la turcoidem_fw-la ut_fw-la facultates_fw-la svas_fw-la exercere_fw-la possit_fw-la dono_fw-la dari_fw-la debere_fw-la tibi_fw-la eam_fw-la devoveo_fw-la ego_fw-la acceptam_fw-la gemmam_fw-la sculptori_fw-la trado_fw-la at_o gentilitia_fw-la mea_fw-la insignia_fw-la illi_fw-la quamadmodam_fw-la fieri_fw-la solet_fw-la in_fw-la jaspide_fw-la chalcedonio_fw-la aliisque_fw-la ignobilioribus_fw-la gemmis_fw-la insculper_n l._n turpe_fw-la enim_fw-la existimabam_fw-la hujusmodi_fw-la gemmâ_fw-la ornatus_fw-la gratia_fw-la dum_fw-la gratiam_fw-la nullam_fw-la haberet_fw-la uti_fw-la paret_fw-la sculptor_n redditque_fw-la gemmam_fw-la quam_fw-la gesto_fw-la pro_fw-la annulo_fw-la signatorio_n vix_fw-la per_fw-la mensem_fw-la gestaram_fw-la redit_fw-la illi_fw-la pristinus_fw-la colour_n sed_fw-la non_fw-la it_o a_o nitens_fw-la propter_fw-la sculpturam_fw-la ac_fw-la inaequalem_fw-la superficiem_fw-la miramur_fw-la omnes_fw-la gemmam_fw-la atque_fw-la id_fw-la praecipuè_fw-la quod_fw-la colour_n indy_n pulchrior_fw-la fieret_fw-la id_fw-la quià _fw-la observabam_fw-la nunquam_fw-la fere_n â—am_fw-la à _fw-la manu_fw-la deposui_fw-la ita_fw-la ut_fw-la vunc_fw-la adhuc_fw-la candem_fw-la gestem_fw-la olaus_n wormius_n in_o musae_n 18o._o pag._n 186._o musae_fw-la worm_n pag._n 99_o arte_fw-la vetratia_n lib._n 7._o cap._n 102._o 102._o these_o be_v bring_v in_o and_o read_v before_o the_o royal_a society_n the_o day_n follow_v oct._n 28._o 1663._o the_o stone_n itself_o be_v to_o be_v show_v to_o the_o royal_a society_n when_o the_o observation_n be_v deliver_v i_o be_v willing_a be_v in_o haste_n to_o omit_v the_o description_n of_o it_o which_o be_v in_o short_a that_o it_o be_v a_o flat_a or_o table_n diamond_n of_o about_o a_o three_o part_n of_o a_o inch_n in_o length_n and_o somewhat_o less_o in_o breadth_n that_o it_o be_v a_o dull_a stone_n and_o of_o a_o very_a bad_a water_n have_v in_o the_o day_n time_n very_o little_a of_o the_o vividness_n of_o even_o ordinary_a diamond_n and_o be_v blemish_v with_o a_o whitish_a cloud_n about_o the_o middle_n of_o it_o which_o cover_v near_o a_o three_o part_n of_o the_o stone_n have_v make_v i_o forget_v to_o take_v notice_n that_o i_o go_v abroad_o the_o same_o morning_n the_o sun_n shine_v forth_o clear_a enough_o to_o look_v upon_o the_o diamond_n through_o a_o microscope_n that_o i_o may_v try_v whether_o by_o that_o magnify_v glass_n any_o thing_n of_o peculiar_a can_v be_v discern_v in_o the_o texture_n of_o the_o stone_n and_o especial_o of_o the_o whitish_a cloud_n that_o possess_v a_o good_a part_n of_o it_o but_o for_o all_o my_o attention_n i_o can_v not_o discover_v any_o 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that_o a_o warm_a liquor_n will_v not_o extinguish_v light_n in_o the_o diamond_n i_o think_v fit_a to_o try_v whether_o by_o reason_n of_o its_o warmth_n it_o will_v not_o excite_v it_o and_o divers_a time_n i_o find_v that_o if_o it_o be_v keep_v therein_o till_o the_o water_n have_v leisure_n to_o communicate_v some_o of_o its_o heat_n to_o it_o it_o will_v often_o shine_v as_o soon_o as_o it_o be_v take_v out_o and_o probable_o we_o shall_v have_v see_v it_o shine_v more_o whilst_o it_o be_v in_o the_o water_n if_o some_o degree_n of_o opacity_n which_o heat_a water_n be_v wont_a to_o acquire_v upon_o the_o score_n of_o the_o numerous_a little_a bubble_n generate_v in_o it_o have_v not_o keep_v we_o from_o discern_v the_o lustre_n of_o the_o stone_n stone_n i_o after_o bethink_v myself_o of_o employ_v a_o way_n which_o produce_v the_o desire_a effect_n both_o soon_o and_o better_o for_o hold_v betwixt_o my_o finger_n a_o steel_n bodkin_n near_o the_o low_a part_n of_o it_o i_o 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