Bernal, J. D. (John Desmond), 1901-  Bernal, J. D. (John Desmond), 1901- <br/><br/>
The extension of man:  a history of physics before 1900 
[by] J. D. Bernal. 
 - London,  Weidenfeld and Nicolson,  1972. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0297003704  L.2.95 
<br/><br/><label>LCCN: </label>72178949 //r91 
<br/><br/><label>Nat. Bib. No.: </label>B72-04942 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics -- History.--Physics -- History.
<br/><br/><label>LC Class. No.: </label>QC7  / .B46 
<br/><br/><label>Dewey Class. No.: </label>530/.09