Unused / unissued material - dates and locations unclear or unknown.
M/Ss of balloonist Auguste (or Jean) Piccard standing in balloon capsule. He explains that he going to study cosmic rays in the stratosphere. L/Ss of American man explaining about the hydrogen gas canisters that his company...
Professor Auguste Piccard returns to earth after flying to high altitudes in balloon.
News in a Nutshell: Parisians prepare for air raids and gas attacks, Belgian Balloonist Professor Piccard & the British fleet lit up at night following an Inspection by the Lord Mayor of London.
Piccard's stratosphere balloon is inflated and released in Minneapolis, America (USA).
Professor Piccard tests his new 80,000 dollar Bathysphere.
Giant Side Loading lorry, Railway loco 'Mallard' and Professor Piccard's Submarine.
Professor Jacques Piccard launches his mesoscaphe into Lake Geneva.
Scientist Jacques Piccard builds electric powered mesoscaphe for his trips under the sea.
Professor Piccard leaves Antwerp with submarine diving bell.