The author’s premise in this instructional guide is that every officer can learn to sketch and to read sketches within a very short time. Just a few of the topic headings are: object of sketching, classification of sketches, outlinefor beginner, sketching tools, scales, what a sketch should show, contours, and reconnaissance sketches.
Prepared and edited by The Army War College in 1917. W. C. Sweeney was a Captain in the Twenty-first United States Infantry. Это и многое другое вы найдете в книге Sketching Methods (W. C. Sweeney)