Eclipse expeditions: 1973 eclipse, Africa, 1971-1973

(1188B) 1973 eclipse path through Africa on June 30, 1973, from National Science Foundation [NSF] Bulletin, 1970, Solar Eclipse, page 373, NCAR Photographics Lab date: March 24, 1971; (1283B) African eclipse site, route to site, for viewgraphs, copies, NCAR Photographics Lab date: October 29, 1971; (1419B) Africa eclipse site, duplicates of slides, NCAR Photographics Lab date: October 17, 1972; (1938C) 1973 African eclipse, NCAR Photographics Lab date: July 13, 1973; (2044B) 1973 African eclipse, copies, NCAR Photographics Lab date: October 16, 1973.