The American practical navigator : being an epitome of navigation and nautical astronomy (1888)
Bowditch, Nathaniel, 1773-1838, United States. Navy Dept. Bureau of Navigation, Cooper, Philip Henry, 1844-1912 · Washington : Govt. Print. Off. · leaf 236
found advisable to plot on a larger scale than used for the other portion,to be reduced afterward. From 13 lay off the line with the protractor, making the angle with 14 equal to theobserved angle, and take the distance as found by the vertical angle from the scale of equal parts. Sketch in asthe… … SUliVEY OK A RIVEU. EXPLANATION OF THE TABLES. TABLES 1, 2. TRAVERSE TABLES, OR SOLUTIONS OF PLANE RIGHT TRIANGLES. Tables l and 2 were calculated by the natural sines taken from the fourth edition of Sherwins Logarithms,.vhich we^re previously examined, by differences; when the proof-sheets of the…
Navigation · Nautical astronomy
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
