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00_o fg_n 13_o 60_o g_z 110_o 00_o give_v 19_o 28_o to_o protract_v this_o draw_v a_o dark_a line_n at_o adventure_n as_o ab_fw-la upon_o which_o set_v off_o the_o distance_n as_o you_o see_v it_o in_o your_o field-book_n 23_o chain_n 40_o link_n from_o a_o to_o b_o then_o lay_v the_o centre_n of_o your_o protractor_n upon_o a_o and_o the_o diameter_n upon_o the_o line_n ab_fw-la the_o north_n end_v or_o that_o of_o 00_o degree_n towards_o b_o on_o the_o outside_n of_o the_o limb_n make_v a_o mark_n against_o 146_o degree_n through_o which_o mark_v from_o a_o draw_v the_o line_n agnostus_n so_o have_v you_o the_o first_o angle_n and_o first_o distance_n 2._o place_v the_o centre_n of_o the_o protractor_n upon_o b_o and_o turn_v it_o about_o until_o 76_o degree_n lie_v upon_o the_o line_n ab_fw-la there_o hold_v it_o fast_o and_o against_o the_o north_n end_v of_o the_o diameter_n make_v a_o mark_n through_o which_o draw_v a_o line_n and_o set_v off_o the_o distance_n bc_n 15_o chain_n 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