engine-shaft

These wires are connected with the brushes of a commutator, K, on the engine-shaft, which commutator is in electrical connection with the poles of a battery, dynamo-electric machine, or other source of electricity.

Scientific American Supplement, No. 324, March 18, 1882 Various

From this vessel pipes lead to two cocks, one for each cylinder; these corks being caused to revolve in time with the engine-shaft by a chain, M, communicating motion from a wheel on the engine shaft to a chain-wheel of equal size on the spindle of the two cocks.

Scientific American Supplement, No. 324, March 18, 1882 Various

The trunk-rod of the piston passes through a stuffing-box in the cylinder bottom, and is connected to a crank on the engine-shaft; and this (unless multiple cylinders are employed) carries

Scientific American Supplement, No. 324, March 18, 1882 Various

They were in a winze about thirty fathoms from the engine-shaft.

Deep Down, a Tale of the Cornish Mines 1859

The screw propeller is 24 feet in diameter and 37 feet pitch; and the engine-shaft is 160 feet long, or 12 feet longer than the height of the Duke of York's Column.

Man on the Ocean A Book about Boats and Ships R. [Illustrator] Richardson 1859