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 644
KKerf — The slot or passageway cut by a saw. Key — The piece used to fasten any hollow object to a shaft or rod.Usually applied to fastening pulleys and fly-wheels to shafts; orlocomotive driving wheels to their axles. Keys may be square,rectangular, round or other shape and fasten in any way.…
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
