How to use the slide rule / 
Forum House 
 - London:  Forum House Publishing Company,  c1968. 
 - 100p.:  figs., ill.;  21 cm. 
<br/><br/> Includes index 
<br/><br/>
<br/><br/><br/>English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Slide-rule
<br/><br/><label>Dewey Class. No.: </label>510.28/FOH