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to_o the_o end_n what_o i_o have_v here_o deliver_v may_v be_v make_v plain_a i_o shall_v give_v example_n thereof_o in_o the_o two_o follow_a proposition_n prop._n 1._o let_v it_o be_v require_v to_o find_v the_o logarithmical_a number_n belong_v to_o 16_o turn_v to_o the_o table_n in_o the_o first_o column_n of_o the_o first_o page_n where_o you_o will_v find_v 16_o under_o the_o letter_n n._n and_o right_o against_o it_o towards_o the_o right_a hand_n you_o shall_v find_v this_o number_n 1,20412_o which_o be_v the_o logarithm_n thereof_o likewise_o in_o the_o same_o page_n and_o column_n against_o 25_o you_o will_v find_v 1,39794_o which_o be_v the_o logarithm_n thereof_o also_o you_o shall_v by_o the_o same_o rule_n find_v that_o the_o logarithm_n of_o 4_o will_v be_v 0,60206_o the_o logarithm_n of_o 51_o will_v be_v 1,70757_o the_o logarithm_n of_o 321_o will_v be_v 2,50650_o and_o by_o the_o converse_n of_o what_o be_v here_o deliver_v you_o may_v find_v the_o absolute_a number_n 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