Spence, William Perkins,  1925- <br/><br/>
Drafting technology and practice, 
by William P. Spence. 
 - Peoria, Ill.,  C. A. Bennett  [1973] 
 - 814 p.  illus.  24 cm. 
<br/><br/><label>ISBN: </label>087002129X 
<br/><br/><label>LCCN: </label>79178965  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing.
<br/><br/><label>LC Class. No.: </label>T353  / .S57 
<br/><br/><label>Dewey Class. No.: </label>604/.2