Pledge, H. T. <br/><br/>
Science since 1500 :  a short history of mathematics, physics, chemistry, biology / 
H. T. Pledge 
 - 2nd ed. 
 - London :  H.M.S.O.,  1939 
 - 357 p. :  front., plates, maps, diagrs. ;  25 cm. 
<br/><br/> At head of title: Science Museum  Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--History