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2. Crank (mechanism) - Wikipedia

   en.wikipedia.org/wiki/Crank_(mechanism)

   Hand crank for a winch on a sailboat - commonly referred to as a winch handle. A crank is an arm attached at a right angle to a rotating shaft by which circular motion is imparted to or received from the shaft.

3. Winch - Wikipedia

   en.wikipedia.org/wiki/Winch

   Winch used on a fishing boat to bring in nets. The earliest literary reference to a winch can be found in the account of Herodotus of Halicarnassus on the Persian Wars (Histories 7.36), where he describes how wooden winches were used to tighten the cables for a pontoon bridge across the Hellespont in 480 BCE.

4. Kaukauna Locks Historic District - Wikipedia

   en.wikipedia.org/wiki/Kaukauna_Locks_Historic...

   The gates are opened and closed by a hand-crank, gear, and spar. The locks are flooded by gear-operated butterfly valves at the upstream end and emptied by butterfly valves at the downstream end. Each lock lifts a boat about 10 feet (3.0 m), can fill in about four minutes, and empties in about three minutes.

5. H. L. Hunley - Wikipedia

   en.wikipedia.org/wiki/H._L._Hunley

   The small sizing of the hatches and the cramped quarters made entering, exiting, and maneuvering about the ship remarkably difficult. Hunley was designed for a crew of eight, seven to turn the hand-cranked ducted propeller at about 3.5 horsepower (2.6 kW), and one to steer and direct the boat.

6. Cable ferry - Wikipedia

   en.wikipedia.org/wiki/Cable_ferry

   The reaction ferry uses the power of the river to tack across the current; the powered cable ferry uses engines or electric motors (e.g., the Canby Ferry in the U.S. State of Oregon) to wind itself across; or is hand-operated, such as the Stratford-upon-Avon chain ferry in the UK and the Saugatuck Chain Ferry in Saugatuck, Michigan, United States.

7. Engine order telegraph - Wikipedia

   en.wikipedia.org/wiki/Engine_order_telegraph

   In its original form, from the 19th century until about 1950, the device usually consisted of a round dial about 9 inches (230 mm) in diameter with a knob at the center attached to one or more handles, and an indicator pointer on the face of the dial. There would also be a revolutions per minute (RPM) indicator, worked by a hand crank. Modern ...