Ward, Leslie. <br/><br/>
Introduction to the theory and practice of high vacuum technology / 
[by] L. Ward and J. P. Bunn. 
 - London :  Butterworths,  c1967. 
 - vii, 216 p. :  ill. ;  22  cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vacuum technology.
<br/><br/><label>Dewey Class. No.: </label>621.55  / WAI 1967