Posted by on Nov 27, 2012 in Boat Accessories, Boating | 1 comment

We are used to performance boat propellers today.  However, the first generally known screw type propeller that was used on a boat dates back to 1826. It was made by a Czech-Austrian inventor Joseph Ressel. The boat propeller had multiple blades made out of bronze, that were fastened around a conical base and was installed on a small boat that was manually...

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