General Mason M. Patrick,Chief of Air Service inspects De Bothezat helicopter during its development at engineering division of McCook field in Dayton, Ohio. Brigadier General William "Billy" Mitchell also takes a look at the helicopter. Russian immigrant George De Bothezat, the inventor of the helicopter, speaks to the officers. Two lift tests are shown with one lifting 1000 pounds and the other lifting 3500 pounds at 160 horsepower.
This historic stock footage available in HD video. View pricing below video player.
Type | Size | Price (USD) Comprehensive All Media License |
Price (USD) Digital-Only License |
---|---|---|---|
HD Master, Broadcast-ready (1920x1080, unmarked) | 1978 MB | $195.00 | $79.00 |
HD Screener (1920x1080, full-res with timecode) | 1978 MB | FREE or $4 (see below) | FREE or $4 (see below) |
Proxy (320x240, low-resolution, watermarked) | 32 MB | FREE or $4 (see below) | FREE or $4 (see below) |