Leck, John Henry. <br/><br/>
Pressure measurement in vacuum systems /    
John Henry Leck. 
 - London :   Institute of Physics,   1957. 
 - 144 p. :    ill., charts, tables. ;    24 cm. 
 - Physics in industry.   .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vacuum-pumps.--------<br/>Pressure-gauges.--------