Hofstetter, Henry W.,  1914- <br/><br/>
Industrial vision/ 
Henry W.Hofstetter,  
 - [1st ed.] 
 - Philadelphia:  Chilton Co.,  [1956] 
 - 189 p.:  illus.;  25 cm. 
<br/><br/><label>LCCN: </label>56007877  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial ophthalmology.
<br/><br/><label>LC Class. No.: </label>RE825  / HOF 1956