Fiesenheiser, E. I. <br/><br/>
The versalog slide rule: an introduction manual 

 - Chicago  The Frederick Post Company  1951 
 - 115p.  21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Slide rule
<br/><br/><label>LC Class. No.: </label>QA73.F5