Davy, J. R.  <br/><br/>
Industrial high vacuum / 
J. R. Davy. 
 - London :  Sir Isaac pitman,  c 1951. 
 - viii, 243 p. :  ill. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>400  400 
<br/><br/><label>Subjects--Personal Names: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vacuum technology.
<br/><br/><label>Dewey Class. No.: </label>621.5 / D316i