Technical drawing/ 
Frederick E. Giesecke ... et al. ; revised by Ivan Leroy Hill and John Thomas Dygdon. 
 - 7th edition 
 - New York:  Macmillan,  1980. 
 - vii, 868 pages :   illustrations ;   26 cm. 
<br/><br/>Bibliography: pages 794-802 
<br/><br/><label>ISBN: </label>0023426101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing.