ed of the driven drum either faster or slower in an ordinary lamp. This is, probably, a maximum reduc-, After the moss reaches the factory it is subjected to the ac- than the driver. tion, inasmuch as the carbons in ordinary lamps are of a, tion of the washer, which is a large cylindrical… … the case of small electrical or water which rests upon the metallic wedge BARNHURST'S SPEED REGULATOR. motors. and falls down by its own weight, and Further information concerning this that of a siiiall weight placed on the with a wheel inside, which pulls the moss hither and thithei^ useful…
Iron · Patents · Patented · Engraving · Emery · Scientific American · Manufacture · Annexed engraving · American book · Horse power · Grape sugar · Emery wheels · Boyle ice · Emery wheel · Carbonic acid · Wrought iron
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