Chen, I. Bernard.  x <br/><br/>
Some early tools of American science  An account of the early scientific instruments and mineralogical and biological collectins in Harvard Univ. 

 - x 
 - N.Y.  Russell and Russell  1967 
 - xxi,201 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science  - U.S. Science - U.S. 
<br/><br/><label>Dewey Class. No.: </label>509.73/COS