Catalogue of the thirty-second anuual exhibition of scientific instruments and apparatus 
by  
 -  1948 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>67492 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>Aeg, H8  CL