Washington Associates 

 1624 I Street NW 

 Washington 6, D. C. 

 Attn: RADM P. D. Gallery, 

 USN (Ret. ) 



The Washington Post 

 Washington, D. C. 



Washington Science Trends 

 998 National Press Building 

 Washington 4, D. C. 



Washington Technological Associates, 



Incorporated 

 979 Rollins Avenue 

 Rockville, Maryland 

 Attn: J. J. Mulquin 



Welex Division 

 Halliburton Company 

 Box 1658 

 Houston, Texas 



Welex Electronics Corporation 

 Suite 201, Solar Bldg. 

 16th k K Streets NW 

 Washington 6, D. C. 



Westco Research 



Division of the Western Company 



7128 Envoy Court 



Dallas 7, Texas 



Westinghouse Electric Corporation 

 Ordnance Department 

 3601 Washington Building 

 P. O. Box 1797 

 Baltimore 3, Maryland 



Research Library 



Westinghouse Electric Corporation 



Research Laboratories 



Churchill Boro 



Pittsburgh 35, Pennsylvania 



Westrex Company - Marine 



Instrumentation Dept. 

 Division of Litton Systems, Inc. 

 540 West 58th St. 

 New York, New York 



C. H. Wheeler Manufacturing Company 

 411 Washington Street 

 Alexandria, Virginia 



C. H. Wheeler Manufacturing Company 



19th & Lehigh 



Philadelphia 32, Pennsylvania 



White Avionics Corporation 

 25 West Pennsylvania Avenue 

 Towson 4, Maryland 



White Avionics Corporation 

 Terminal Drive, Plain View 

 Long Island, New York 



The Western Company 

 1624 I Street NW 

 Washington, D. C. 



Western Development Laboratories 

 Link Division, General Precision, Inc. 

 1451 California Avenue 

 Palo Alto, California 



L> G. White & Company 

 880 Bonifant Street 

 Silver Spring, Maryland 



L. V. Whitney & Son Underwater 



Instruments 

 1987 Corralitos Drive 

 San Luis Obispo, California 



Western Gear Corporation 

 P. O. Box 192 

 Lynwood, California 



Wiancko Engineering Company 

 255 North Halstead Avenue 

 Pasadena, California 



Western Gear Corporation 

 830 Washington Building 

 Washington 5, D. C. 



Wildlife Supply Company 

 2200 S. Hamilton Street 

 Saginaw, Michigan 



Western Geophysical Company of America 

 933 North La Brea Avenue 

 Los Angeles 38, California 



Wiley Electronic Products Company 

 2045 W. Cheryl Drive 

 Phoenix, Arizona 



Wilkins-Ander son Company 

 4525 W. Division Street 

 Chicago 51, Illinois 



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