Engineer tests wind-driven propeller-powered boat on lake Erie in 1935.
United States USA Date:1935 Duration:20 sec Sound:Yes
Opening scene shows a man holding fast to the mast of a boat that contains a huge rotating two-bladed propeller instead of a sail. The propeller-rotor is geared to a drive shaft (unseen) turning the boat's underwater propeller (screw). Several men are in the boat as one sets the controls. Next, two men are seen in the boat as it speeds over the water with the big rotor turning rapidly.
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