Goldsmith, J.N. <br/><br/>
Optical Methods in Control and Research Laboratories  J.N. Goldsmith, S. Judd Lewis and F. Twyman. 

 - 2nd ed.. 
 - London  Adam Hilger  1923 
 - iv, 56p.: ill. 23cm. 
<br/><br/><label>Dewey Class. No.: </label>535.84  / G48O