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Scientific American, Vol. 92, No. 2 (1905) (1905)

leaf 12

An illustration from Scientific American, Vol. 92, No. 2 (1905), 1905, leaf 12
ward end. Mounted upon promoters think that this device will put the piano A mercury vapor lamp, somewhat different in its a spindle carried by the bracket is a worm adapted to largely out of business. for the reason that the initial general appearance and construction from those which engage the… … It is held in a horizontally-pivoted frame and . pronounced entirely satisfactory by those present, and normally hangs so that the legs are vertical. In CARPET STRETCHER. the gathering included a number of the foremost engi- the metallic cylinder above the globe is a small neers of England. As soon…

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