Pledge, H.T. <br/><br/>
Science since 1500: a short history a mathematics physics, chemistry biology  H.T. Pledge. 

 - New York  Harper Torch Books  1959 
 - 355p.: ill. 20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics Number Theory  Notations. 
<br/><br/><label>Dewey Class. No.: </label>509  / P62S