Hoffman, James David,   1868- <br/><br/>
Elements of machine design / 
James D. Hoffman and Lynn A. Scipio 
 - New York :   Ginn and company ,  1928. 
 - 327 p.  23 cm. 
 - Engineering series, ed. by A. A. Potter. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine design
<br/><br/><label>LC Class. No.: </label>SPE0168