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The system affords the opportunity of adding yet more engines to the same propeller to an indefinite extent. The three cylinder intermediate-receiver compound engine, with one high and two low-pressure cylinders, the steam passing from the high-pressure cylinder into the receiver, and thence into the two low-pressure cylinders respectively.
At S and T are glands which provide a water seal against the inleakage of air and the outleakage of steam. U represents the flexible coupling to the generator. V is the overload or by-pass valve used for admitting steam to intermediate stage of the turbine. W is the supplementary cylinder to contain the low-pressure balance piston.
It has since been used for high as well as low-pressure steam an arrangement which has come into much favour on account of the great economy of fuel which results from using it. A Council Medal was also awarded to me for the Steam Hammer. But perhaps what pleased me most was the Prize Medal which I received for my special hobby the drawings of the Moon's surface.
"He told me that the first time he went into the engine-room of a steamer, when he was a boy, he prayed to the low-pressure cylinder." "Not half a bad thing to pray to, either. He's propitiating his own Gods now, and he wants to know what Mother Gunga will think of a bridge being run across her. Who's there?" A shadow darkened the doorway, and a telegram was put into Hitchcock's hand.
X and Y are reference letters used in text of this chapter to refer to equalizing of steam pressure on the low-pressure stage of the turbine.
From Buenos Ayres the traveler, issuing from the Rio de la Plata, ascends the Parana by steamer to Asuncion, the capital of Paraguay; and on the morning after the conversation with his principal M. Forgues embarked on the Republica, a low-pressure steamboat furnished with a walking-beam, and similar in its architecture and equipments to the passenger steamers in use on the waters of the Northern and Middle States of the Union.
Concerning the factor of power, he says: 'When first designing this engine, I did not know how much power I might require from it. I thought that in some cases it might be necessary to allow the high-pressure steam to enter the low-pressure cylinder direct, but as this would involve a considerable loss, I constructed a species of injector.
I rode up on the Seine, aboard of a little, noiseless, low-pressure steamer about the size of a sewing machine. It was called the Silvoo Play, I think. The fare was thirty centimes or, say, three cents. After paying my fare and finding that I still had money left, I lunched at St. Cloud in the open air at a trifling expense. I then took a bottle of milk from my pocket and quenched my thirst.
The regulation of the expansion by the governor from 0 to 0.45 takes place generally only in the case of the high-pressure cylinder, while the low-pressure cylinder has a fixed rate of expansion. Only when the low-pressure cylinder is required to work with steam direct from the boiler is the governor applied to regulate the expansion in it.
"He told me that the first time he went into the engine-room of a steamer, when he was a boy, he prayed to the low-pressure cylinder." "Not half a bad thing to pray to, either. He's propitiating his own Gods now, and he wants to know what Mother Gunga will think of a bridge being run across her. Who's there?" A shadow darkened the doorway, and a telegram was put into Hitchcock's hand.
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