Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 26
stly.Instead of using water to render the pistons and other parts of the enginesair and steam-tight, I employ oils, wax, resinous bodies, fat of animals,quicksilver, and other metals in their fluid state. From the engraving we give of Watts double-action steam engine. Fig. 3,and the following… … Fig. 4.—Governor and Throttle-Valve. throttle-valve, acted on by rods connected with the governor, D, which has arotary motion. This apparatus is designed to regulate the admission ofsteam in such a manner that the speed of the engine shall be nearly uni-form ; and the mode in which this is…
Inventions
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