Hills, Elijah Justin. <br/><br/>
A course in the slide rule and logarithms. 

 - Rev. ed. 
 - Boston  Ginn  [c1950] 
 - iv, 107 p.  illus.  23 cm. 
<br/><br/><label>LCCN: </label>50010821  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Slide-rule
<br/><br/><label>LC Class. No.: </label>QA73  / .H58 1950 
<br/><br/><label>Dewey Class. No.: </label>510.78