es (not shown in the sketch) are ontop of the cylinders, and are operated by eccentrics work-ing on an intermediate shaft which is actuated by leversfrom the crossheads. No links are fitted to the valve gearof these engines, as the revolution always takes place in onedirection, whether the ship is… … placed on its side, the position of the feathering eccentricbeing adjustable by hand. By shifting this eccentric, thevessel can be steered without the aid of a rudder, and canbe propelled ahead qr backwards, without reversing the en-gines. The diameter of the wheel is 10 feet. The air…
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