Jones, Harry A. <br/><br/>
Progressive lessons in machine shop practice 

 - Rev. 
 - Toronto  Thomas Nelson & Sons  1952 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine shops<br/>Machine shop practice<br/>Drilling and boring<br/>Grinding and polishing
<br/><br/><label>Dewey Class. No.: </label>670.423