Spencer, Henry Cecil <br/><br/>
Basic technical drawing 
Henry Cecil Spencer, John Thomas Dygdon. 
 - New York  Macmillan   c1980. 
 - 484 p.  ill.  27 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0022321500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing.