Colvin, Fred H. <br/><br/>
American machinists' handbook and dictionary of shop terms a reference book of machine shop and drawing room data, methods and definitions /  
by Fred H. Colvin and Frank A. Stanley. 
 - New York ;  McGraw-Hill,   1920. 
 - xxvi, 758 pages :  maps, portrait ;   18 cm. 
 - 621.0 (NLA) .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine-shop practice.
<br/><br/><label>Universal Decimal Class. No.: </label>621.0 (NLA)