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 665
is hardened and is closed inoperation by being pressed into theconical cap into which it fits. Whenreleased it springs open sufficiently tofree the stock and allow it to be fedthrough the collet. Spring Die and Extension — Spring diesor prong dies are provided with acollar at the end for adjusting… … SCREWS
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
