PICCARD’s balloon being inflated, 18 August 1932 Published on August 19, 2013 in 18 August 1932Full resolution (428 × 313) ← Previous Next → Auguste Piccard’s balloon being inflated with hydrogen at Dübendorf Flughafen, Zurich, Switzerland, during the night of 17–18 August 1932. (Unattributed)