A Briefe Introduction to Geography by William Pemble
page 50 of 50 (100%)
page 50 of 50 (100%)
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longer perpendicular line (_IK_,) placing the one foote of your
compasse at (_I_,) which is the bounds of the greater latitude, and extend the other towards (_K_), and there make a point at (_M_), then with your compasse take the distance betwixt (_L_) and (_M_), and apply the same to the semicircle. Placing the one foot of your compasse in (_A_) and the other towards (_B_), & there marke out a point with the letter (_N_), now the number of degrees comprehended betwixt (_A_) and (_N_) will expresse the true distance of the two places, which will bee found to be 39 degrees: which being multiplied by 60. and so converted into miles according to the former rules, will produce 2340. which is the distance of the said places. FINIS. |
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