Pratt & Whitney Company, Inc. 



Charter Oak Boulevard 



West Hartford 1, Connecticut 



Precision Instrument Company 

 1011 Commercial Street 

 Sj.n Carlos, California 



Precision Thermometer & Instrument Co. 

 1434 Brandywine Street 

 Philadelphia 30, Pennsylvania 



Prodelin, Incorporated 

 Kearny, New Jersey 



Puget Sound Workshop 

 3311 - 110th S. E. 

 Bellevue, Washington 



Quantum, Incorporated 

 Lufbery Avenue 

 Wallingford, Connecticut 



Radiation, Inc. 

 1715 Eye Street NW 

 Washington 6, D. C. 



Radiation Systems, Inc. 

 440 Swann Avenue 

 Alexandria, Virginia 



Radio Corporation of America 

 Airborne Command and Control Div. 

 P. O. Box 588 

 Burlington, Massachusetts 



Radio Corporation of America 

 Industrial Electronic Products 

 Camden 2, New Jersey 



Radio Corporation of America 



M & SR 



Moorestown, New Jersey 



Radio Corporation of America 

 David Sarnoff Research Center 

 Princeton, New Jersey 



Radioplane, A Division of Northrop 



Corporation 

 8000 Woodley Avenue 

 Van Nuys, California 

 Attn: G. Muinch - Area 2 



Raytheon Company 

 Submarine Signal Di\'ision 

 P. O. Box 360 

 Newport, Rhode Island 

 Attn: R. W. Colby 



Reed Research, Inc. 

 1048 Potomac Street NW 

 Washington 7, D. C. 



Reeves Instrument Company 



Roosevelt Field 



Long Island, New York 



Reeves Instrument Company 

 1826 Jefferson Place NW 

 Washington, D. C. 



REF Dynamics 



393 Jericho Turnpike 



Mineola, New York 



Military Department 

 Remington Rand Univac 

 2121 Wisconsin Avenue, NW 

 Washington 7, D. C. 

 Attn: D. D. Bourland, Jr. 



Republic Aviation Corporation 



Conklin Street 



Farmingdale, L. I. , New York 



Research Management Corporation 

 1625 I Street NW 

 Washington 6, D. C. 



Richfield Oil Corporation 

 5900 Cherry Avenue 

 Long Beach 5, California 

 Attn: Mr. R. O. Pollard 



Rixon Electronics, Inc. 

 2121 Industrial Parkway 

 Montgomery Industrial Park 

 Silver Spring, Maryland 



M. Rosenblatt & Son, Inc. 



Naval Architects & Marine Engineers 



350 Broadway 



New York 13, New York 



Ross Laboratories, Inc. 

 124 Lakeside Avenue 

 Seattle 22, Washington 



Salt Lake Stamp Company 

 380 West 2nd South 

 Salt Lake City, Utah 



Sanborn Company 

 175 Wyman Street 

 Waltham 54, Massachusetts 



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