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in_o a_o great_a measure_n by_o telescope_n who_o chief_a use_n that_o come_v under_o our_o consideration_n be_v to_o discern_v the_o star_n and_o other_o celestial_a body_n to_o find_v out_o the_o first_o inventor_n of_o these_o sort_n of_o glass_n it_o will_v be_v necessary_a to_o learn_v who_o first_o find_v out_o the_o property_n of_o convex_a and_o concave_a glass_n in_o the_o refraction_n of_o light_n dr._n plot_n have_v collect_v a_o great_a deal_n concern_v f._n bacon_n in_o his_o natural_a history_n of_o oxfordshire_n which_o seem_v to_o put_v it_o out_o of_o doubt_n that_o he_o know_v that_o great_a object_n may_v appear_v little_a and_o small_a object_n appear_v great_a that_o distant_a object_n will_v seem_v near_o and_o near_a object_n seem_v afar_o off_o by_o different_a application_n of_o convex_a and_o concave_a glass_n upon_o the_o credit_n of_o which_o authority_n mr._n molineux_n 258._o attribute_n the_o invention_n of_o spectacle_n to_o this_o learned_a friar_n the_o time_n to_o which_o their_o early_a use_n may_v be_v trace_v agree_v very_o well_o with_o the_o time_n in_o which_o he_o live_v but_o how_o far_a f._n bacon_n go_v we_o know_v not_o so_o that_o we_o must_v go_v into_o holland_n for_o the_o first_o inventor_n of_o these_o excellent_a instrument_n and_o there_o they_o be_v first_o find_v out_o by_o one_o zacharias_n joannides_n 30._o a_o spectacle-maker_n 35._o of_o middleburgh_n in_o zealand_n in_o 1590._o 30._o he_o present_v a_o tellescope_n of_o two_o glass_n to_o prince_n maurice_n and_o another_o to_o archduke_n albert_n the_o former_a of_o who_o apprehend_v that_o they_o may_v be_v of_o great_a use_n in_o war_n desire_v he_o to_o conceal_v his_o secret_n for_o this_o reason_n his_o name_n be_v so_o little_o know_v that_o neither_o des_fw-mi cartes_n dioptric_n nor_o gerhard_n vossius_fw-la 70._o have_v ever_o hear_v any_o thing_n of_o he_o when_o they_o attribute_v the_o invention_n of_o telescope_n to_o jacobus_n metius_n 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reason_n to_o believe_v that_o it_o be_v cultivate_v with_o abundance_n of_o care_n by_o all_o those_o who_o do_v not_o place_v the_o perfection_n of_o knowledge_n in_o the_o art_n of_o wrangle_a about_o question_n which_o be_v either_o useless_a or_o which_o can_v not_o easy_o be_v decide_v before_o i_o enter_v into_o particular_n it_o be_v necessary_a to_o inquire_v what_o be_v the_o great_a excellency_n of_o a_o complete_a history_n of_o any_o one_o sort_n of_o natural_a body_n this_o may_v soon_o be_v determine_v that_o history_n of_o any_o body_n be_v certain_o the_o best_a which_o by_o a_o full_a and_o clear_a description_n lay_v down_o all_o the_o characteristical_a mark_n of_o the_o body_n then_o to_o be_v describe_v so_o as_o that_o its_o specifical_a idea_n may_v be_v perfect_o form_v and_o itself_o certain_o and_o easy_o distinguish_v from_o any_o other_o body_n though_o at_o first_o view_n it_o be_v never_o so_o like_o it_o which_o enumerate_v all_o its_o know_a quality_n which_o show_v whether_o there_o be_v any_o more_o beside_o those_o already_o observe_v and_o last_o of_o all_o which_o inquire_v into_o the_o several_a way_n whereby_o that_o body_n may_v be_v beneficial_a or_o hurtful_a to_o man_n or_o any_o other_o body_n by_o give_v a_o particular_a account_n of_o the_o several_a phaenomena_n which_o appear_v upon_o its_o application_n to_o or_o combination_n with_o other_o body_n of_o like_a or_o unlike_a nature_n all_o this_o be_v plain_o necessary_a if_o a_o man_n will_v write_v a_o full_a history_n of_o any_o single_a species_n of_o animal_n plant_n infect_v or_o mineral_n whatsoever_o or_o if_o he_o will_v draw_v up_o a_o general_n history_n of_o any_o one_o of_o these_o universal_a sort_n than_o he_o ought_v to_o examine_v wherein_o every_o species_n of_o this_o universal_a sort_n agree_v each_o with_o other_o or_o wherein_o they_o be_v discriminate_v from_o any_o other_o universal_a sort_n of_o thing_n thus_o by_o degree_n descend_v to_o 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in_o and_o by_o