Bernal, J.D. <br/><br/>
The Extension of man  a history of physics before 1900 
J. D. Bernal. 
 - London  Weidenfeld and Nicolson  1973 
 - 317 p.: ill.; 20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics - History.
<br/><br/><label>Dewey Class. No.: </label>530.09  / B25E