Gwyther, John Lionel. <br/><br/>
An introduction to workshop processes / 
J. L. Gwyther, R. V. Page. 
 - Harmondsworth :  Penguin Books,  c1968. 
 - 243 p. :  ill. 
 - Penguin library of technology .
 - Penguin education X46. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine-shop practice.<br/>Metal-work