 If a drawing is to be traced it is a good plan to use a 311 or 4H pencil, so that the lines may be easily seen through the cloth. The tracing cloth is stretched smoothly over the pencil drawing and a little powdered chalk rubbed over it with a dry cloth,...  Modern Engineering Practice: A Reference Library... - Page 202by American School (Chicago, Ill.) - 1906Full view - About this book
 | Charles Lewis Griffin, Charles Clyde Adams - Machinery - 1914 - 296 pages
...side is left dull. Either side may be used to draw upon, but most draftsmen prefer the dull side. ยป The tracing cloth is stretched smoothly over the pencil...remove the slight amount of grease or oil from the surf ace and make it take the ink better. The dust must be carefully brushed or wiped off with a soft... | |
 | Machine-shop practice - 1917 - 432 pages
...other side is left dull. Either side may be used to draw upon, but most draftsmen prefer the dull side. The tracing cloth is stretched smoothly over the pencil...remove the slight amount of grease or oil from the surf ace and make it take the ink better. The dust must be carefully brushed or wiped off with a soft... | |
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