1977 census of manufactures.  medical instruments; opthalmic goods; photographic equipment; clocks; and watchcases 

 - Washington, D.C. :  U.S. Department of Commerce, Bureau of the Census :  For sale by Supt. of Docs., U.S. G.P.O.,  1980 
 - Various pagings ;  29 cm. 
 - Industry series;  no MC77-1-38B .
<br/><br/> Issued June 1980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>manufactures--Statistics--United States<br/>Commercial products
<br/><br/><label>Dewey Class. No.: </label>338.47670973021