CHAPMAN, R L <br/><br/>
Calibrated null circuit for Perkin-Elmer infra-red spectrometer.  [electronic resource] 

 -  The Review of scientific instruments  Feb 1948 
 - 116 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0034-6748 
<br/><br/><label>Standard No.: </label>10.1063/1.1741211  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calibration<br/>Humans