Blaine, Robert Gordon  <br/><br/>
The slide rule  as an aid in calculating 
Robert Gordon Blaine 
 - London  E. & F. N. Spon  1930 
 - xii+152p.  egs; index; tables 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Slide Rule
<br/><br/><label>Universal Decimal Class. No.: </label>681.332  / BLA