Pledge, Humphrey Thomas  1903-1960. <br/><br/>
Science since 1500 :  a short history of mathematics, physics, chemistry, biology. / 

 - New York :  Harper,  1959 
 - 356 p.:  illus.;  21 cm. 
 - Harper torchbooks,  Science library  TB506. .
<br/><br/> First published in 1939 by H. Britannic M. Stationery Off. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--History.
<br/><br/><label>Dewey Class. No.: </label>509  / PLS 1959