An introduction to machine sketching and drawing for industrial and technical schools (1917)
Toronto : Copp, Clark · leaf 40
ows that the flat surface the line repre-sents is to be finished or machined to the dimension shown in the drawing. The finish mark mostcommonly used is f , as shown in this drawing. Where such mark appears, the pattern-maker orblacksmith must leave extra stock. The dimensions on a working drawing…
Mechanical drawing
Internet Archive · Western University Libraries · Public Domain Mark 1.0. Free to use for anything.
