Booth Andrew D <br/><br/>
Automatic digital calculators 

 - London  Butterworths scientific publications       1953 
 - 230  cm. 
<br/><br/><label>Standard No.: </label>11,150 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INDUSTRIAL ARTS
<br/><br/><label>Dewey Class. No.: </label>MB1, J31