Jensen, Cecil Howard  1925- <br/><br/>
Drafting fundamentals 
C. H. Jensen, F. H. S. Mason. 
 - 4th.ed. 
 - Toronto ;  New York   McGraw Hill Ryerson  c1976. 
 - 274 p. :  ill.  27 cm. 
<br/><br/> Includes indeks 
<br/><br/><label>ISBN: </label>0070824363 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing.