Key Words:
Switzerland International Balloon Sport Organization meeting in Interlaken; balloon flight June 15, 1946; St. Gallen meeting of Swiss Verein; Vaduz stamp exhibition; KLM flight Naples-Johannesburg, January 15, 1940; Basel-Amsterdam night airmail flight August 1, 1946; Basel-Genoa first flight July 1, 1946; extension of KLM Amsterdam-Geneva route to Madrid and Lisbon