Oberg, Erik,  1881- <br/><br/>
Machinery's handbook :  a reference book for the mechanical engineer, draftsman, toolmaker and machinist / 
Erik Oberg, Franklin D.Jones and Holbrook L.Horton 
 - 21st ed. 
 - New York :  Industrial Press Inc.,  1979 
 - 248 p. :  ill. ;  13 cm. 
<br/><br/><label>ISBN: </label>0831111291 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical engineering--Handbooks, manuals, etc