American machinists' handbook and dictionary of shop terms : a reference book of machine shop and drawing room data, methods and definitions (1914)
Colvin, Fred H. (Fred Herbert), 1867-1965, Stanley, Frank A. (Frank Arthur), b. 1874 · New York : McGraw-Hill book company ; London : Hill · leaf 625
Sub-press Dies — A sub-press and its tools are represented on thefollowing page. Such tools are used for small parts which haveto be made accurately and are very common in watch and type-writer shops and similar places. The tools are held positively inline in this press and as a result their…
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
