Surveying, with sections on map reading. military sketching and topographic drawing (1919)
United States. War dept. Committee on education and special training. [from old catalog] · Washington · leaf 236
ncil point? Why? 17. What type of protractor should be used for accurate plotting? 18. How is the protractor centered over each intersection? 19. What effect does the thickness of a pencil line have upon the accuracy of plotting? Protracting? 20. Check the plotted figure by calculating the length… … 1. As a preliminary measure before plotting this figure by tangent method, will it be of any value to construct a 20-inch square in the center ofthe drawing paper? 2. How should it be sub-divided to accomplish the greatest accuracy in this plotting? 3. How can the accuracy of plotting these squares…
Surveying · Military topography · Topographical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
