Wind-finding dropsonde, 1972-1979

(1418B) Wind-finding dropsonde, October 16, 1972; (1420B) Wind-finding sonde, October 17, 1972; (1439B) Wind fall dropsonde composite, January 3, 1973; (1442B) Wind-finding dropsonde, January 17, 1973; (1444BC) Wind-finding dropsonde, January 19, 1973; (1519) Wind-finding sonde test in Miami, 35mm copies from 16mm, April 12, 1972; (1595) Wind-finding dropsonde test in wind tunnel, June 19, 1972; (1643) Wind-finding dropsonde, aircraft, CSU [Colorado State University], Fort Collins, Colorado, September 6, 1972; (1650) Timing mechanism for wind-finding dropsonde, September 25, 1972; (1651) Wind-finding dropsonde, aircraft, CSU, Fort Collins, Colorado, September 28, 1972; (1682) Wind-finding dropsonde, Air Force C-30 aircraft, December 6, 1972; (2229) Wind-finding sonde site test, Marshall site, March 7, 1974; (2235) Wind-finding sonde test, March 14, 1974; (2627B) Wind-finding sonde cake presentation, October 28, 1974; (2659) Wind-finding dropsonde display model, November 7, 1974; (2662B) Wind-finding dropsondes, copies, November 12, 1974; (2734BC) Wind-finding dropsonde, copy, December 30, 1974; (2774) Wind-finding dropsonde instrumentation, January 28, 1975; (2880) Wind-finding dropsonde test, April 3, 1975; (3321) Wind-finding dropsonde photographed in studio, January 23, 1976; (3391B) P. K. Govind with wind-finding dropsonde, launch tube, March 17, 1976; (3457C) Wind-finding dropsonde, copies, April 30, 1976; (3902) Omega wind-finding dropsonde in Electra, two racks of equipment and launch tube, Dick Taylor in one picture, Research Aviation Facility [RAF], Jefferson County Airport [Jeffco], February 17, 1977; (3993) Wind-finding dropsonde test, Haswell, Colorado, April 11, 1977; (4158) Wind-finding dropsonde antenna test chamber, August 2, 1977; (4266) Wind-finding dropsonde and pressure sensor, October 18, 1977; (4413) Wind-finding dropsonde, January 31, 1978; (4879) Wind-finding dropsonde, test equipment, January 8, 1979.