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Scientific American, Vol. 25, No. 11 (1871) (1871)

leaf 7

An illustration from Scientific American, Vol. 25, No. 11 (1871), 1871, leaf 7
Scientific American. | SEPTEMBER 9, 1871. 165 Patent Safety Steam Governor. The one prime necessity in a manufactory using steam power is a good governor on th: engine; a desideratum which the experience of every one, who has used steam any length of time, proves, has not been easy to obtain. The… … alters the speed of the engine. But the main tors in the upper portion of the hive have a screened orifice, which allows air to enter object is a valve, balanced under all circum- LYNDE’S PATENT STEAM GOVERNOR. but excludes the bee. The friction of the stances. S isa four winged valve, having The…

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