d to the interior portion of the shaft, a segment having holes therethrough and leather packing-rings and screwed rings holding the a pin adapted to be passed through a hole in the lever packing in place, and shoulder-joints formed from into a hole in the segment. In a submarine boat, flanges on… … BENNUM SUBMARINE BOAT, adapted to come in contact with the stops. Propel- ling mechanism consisting of vertical shafts, ratchet- wheels on the shafts, pawls to engage the ratchet- wheels, gear-teeth on the upper face of the ratchet- wheels, shanks on the shafts, propeller-blades jour- naled…
Shipbuilding -- Periodicals · Shipbuilding industry -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
