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In machines for steam to a double-acting piston, without the flywheel, with the main control valve is controlled by the fluid under pressure, and with an auxiliary valve controlled, on the one hand, and secondly by the fluid under pressure.
In machines for steam to a double-acting piston, without the flywheel, with the main control valve is controlled by the fluid under pressure, and with an auxiliary valve controlled, on the one hand, and secondly by the fluid under pressure.
