wormwheel

Updated: May 9, 2025

The girders are braced together and carry the framing for the bucket chains, gears, etc. Forward on the deck of the same vessel there is a vertical two-cylinder high pressure engine of 30 indicated horse power, which helps to bring the barge to the desired position between the parallel vessels. The gearing throughout is of friction pulleys and worm and wormwheel. It is driven by belts.

Various - Scientific American Supplement, No. 795, March 28, 1891