Machinery's Yellow Back <br/><br/>
Air operated production aids 
/ by  Machinery's Yellow Back 
 - London :  Machinery,  1961 
 - 64p.; 21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Applied physics
<br/><br/><label>Dewey Class. No.: </label>621.9  / MAC-PR