Princeton University, Plasma Physics Laboratory (through Harold P. Furth and 



Lyman Spitzer, Jr.): Model A stellarator, 1952-53 (1984.0103). 

 John B. Priser: 371 electronic calculators and 9 AC adapters, 1971-86 



(1986.0988); 32 electronic pocket calculators (1987.0435). 

 Pulse Electronics, Inc. (through Emilio A. Fernandez and Jose M. Llosa) : Slack 



Detector System end-of-train device test unit, 1970s, and a Trainlink 



end-of-train monitoring device, 1985 (1985.0876). 

 Purdue University, School of Civil Engineering (through Douglas N. Winslow) : 



screw-power materials testing machine made by Riehle Brothers Testing 



Machine Company of Philadelphia, 1893 (1987.0357); model of Fink truss 



bridge and a model of a covered bridge (1987.0477). 

 RCA/David Sarnoff Research Center (through J. Maddocks): 2 laser diodes, a 



holograph player, holobeam system tape sample, argon laser frame, argon 



laser tube, and a Weierstrasse sphere (1985.0222); (through Wm. Webster): 



3 microprocessors, transistor, and a transistorized ukelele (1984.0120). 

 RCA Service Company, Government Services (through James J. Cook): Videovoice 



unit, Videovoice control, pulse unit, FM generator, frame storage module, 



FM demodulator, and a pulse sampler, all developed about 1970 (1985.0802). 

 The RAND Corporation: memory plane and gating bay components of the JOHNNIAC 



computer (1986.0768). 

 N. Random: 3-D photographic postcard of Jesus praying in the Garden of 



Gethsemane, made in Japan, ca. 1975 (1986.0070). 

 J. H. Ratcliffe: 7 photographs taken at Natural Bridge, Virginia, ca. 1920 



(1987.0251). 

 Oliver Read: 95 early phonographs (253422). 

 James H. Reck: 2 tunnel-lining-bolts from the Hudson & Manhatten Tunnel, 1903, 



and the third Lincoln Tunnel, 1954 (1987.0211). 

 Blanche E. Reid: 337 objects from the contents of the Reid Pharmacy in 



Clifton, Illinois, which closed about 1950 (1984.0351). 

 Retail, Wholesale and Department Store Union: piece of stationery, button, and 



a label of the Retail, Wholesale and Department Store Union (1986.0270). 

 Lillian Rhodes: photoetched print of titled Doors by Mary Trevor (1986.1017). 

 The Ribbon California (through Audrey A. Keller): 20 ribbon banners used in 



the August 4, 1985 peace rally held in Washington, D.C. (1986.0006); 18 



ribbon banners used in the August 4, 1985 peace rally held in Washington, 



D.C. (1986.0563). 

 Margaret van D. Rice: 7 drawing instruments and 4 scales owned by Erasmus D. 



Leavitt, Jr., 19th century (1977.0460). 

 Marjorie M. Rice: book of embroidery silk thread made by Moody "Art Silks," 



late 19th or early 20th century (1986.0678). 

 Oscar W. Richards. Ph.D.: 222 microscope parts, accessories, and test 



equipment and 2 microscopes used in Dr. Richards' work at Spencer Lens 



Company, 1920s-40s (1986.0500). 

 Jacqueline and John F. Richardson, Jr.: mechanical bear with key in original 



box made in Geneva, Switzerland, ca. 1900, and a Santa Claus picture 



puzzle in original box made by McLoughlin Brothers of New York, ca. 1897 



(1986.0561). 

 Countess Graziella Righi-Battaglini : 3 man's waistcoat's, 1770-90, and a 



silver clothing brush, 1910 (1986.0613). 

 Carter Rila: field jacket from the U.S. Army and a field jacket from the U.S. 



Army Air Force (1986.0972). 

 Ringe Media, Inc.: 2 videotape cassettes titled "Coalition for SDI 'Peace 



Shield," made October 16, 1985 (1986.0312). 

 Fred E. Ringe, Jr.: 2 pieces of linoleum manufactured by Congoleum-Nairn, 



360 



