Tropical Wind, Energy conversion, and Reference Level Experiment [TWERLE], 1973-1978

(1921) Tropical Wind, Energy conversion, and Reference Level Experiment (TWERLE), 1782, June 22, 1973, photographed by: Jack Tefft; (1976) TWERLE, August 10, 1973, photographed by: Jack Tefft; (2022) TWERLE, flight electronics, component parts, September 21, 1973, photographer initials:SS; (2027) TWERLE, September 24, 1973, photographed by: Jack Warren; (2028) TWERLE, circuit board, September 28, 1973; (2053) TWERLE, October 23, 1973, photographed by: Jack Tefft; (2079) TWERLE program, November 12, 1973; (2262) TWERLE, April 8, 1974; (2278B) Chart, TWERLE, April 12, 1974; (2281) Antenna, TWERLE, April 12, 1974; (2338) TWERLE antenna, May 22, 1974; (2376C) TWERLE flight train for world's fair, June 20, 1974; (2393) TWERLE antenna, June 26, 1974; (2396C) Antenna parts for TWERLE, July 3, 1974; (2426) TWERLE antenna, antenna tester, Dave Atlas, Jr., July 16, 1974; (2451C) Component parts of TWERLE, July 24, 1974; (2540) TWERLE departure for Ascension Island, September 6, 1974; (2631C) TWERLE, Ascension Island, September 1974, photographed by: Jack Tefft; (2745) Balloon warehouse, TWERLE, January 10, 1975; (2746) Box stacking, TWERLE, January 10, 1975; (2824) TWERLE in Ghana, March 7, 1975, photographed by: David Waltman; (2826) TWERLE, local, March 3, 1975, photographed by: Jack Warren; (3058) Status board, TWERLE, Christchurch, Ghana, Samoa, Ascension, July 16, 1975; (3096C) TWERLE, [American] Samoa, July 31, 1975, photographed by: Jack Tefft; (3097C) TWERLE instrument, Michael Olson, July 30, 1975; (3157C) TWERLE, Ghana, August 29, 1975, photographed by: Jack Warren; (3185C) TWERLE, Ghana, October 6, 1975, photographed by: Jack Tefft; (3210) New status board, TWERLE, October 21, 1975; (3549B) TWERLE program, copies, June 25, 1976; (3914B) TWERLE electronics, copies, February 28, 1977; (4012B) Globe, balloon routes, TWERLE, April 25, 1977; (4054BC) Globe, balloon routes of TWERLE, May 19, 1977; (4089) TWERLE field shots, June 7, 1977, photographed by: Jack Tefft; (4406C) TWERLE, Ascension Island, copies, January 1978, photographed by: Jack Tefft.