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 598
u … Hook North Bolt —The North bolt isused in agricultural machinery andappliances and has a series of longi-tudinal lands rolled on the body tothe same diameter as the bolt. Plow Bolt — Several types of plow andcultivator bolts are shown in theaccompanying engravings, the formsillustrated being…
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
