Childs, James J. <br/><br/>
Principles of numerical control 
James J. Childs 
 - 2nd ed. 
 - New York:  Industrial Press,  1969. 
 - ix, 294p. 
<br/><br/> HB 
<br/><br/>Includes index 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numerical control
<br/><br/><label>Dewey Class. No.: </label>621.9023  / CHP