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Scientific American, Vol. 29, No. 21 (November 1873) (1873)

leaf 4

An illustration from Scientific American, Vol. 29, No. 21 (November 1873), 1873, leaf 4
s, we learn, will bestrengthened; and during the coming week, operations onthe same boilers will be renewed. The safety valves arealso to be tested at the same time. The Pittsburgh ex-periments have been postponed until the 18th inst.» <>» m New Car Starter. Amos Whittemore, of Cambridgeport,… … STEAM TRAVELING CRANE AT THE VIENNA EXPOSITION © 1873 SCIENTIFIC AMERICAN, INC 324 Mmtiik JUttfltat [November 22, 1873. ®mwwnftewt> The Physical Substratum of Mechanical Power InNature. To the Editor of the Scientific American : If your correspondent in regard to the subject of planetarymotion,…

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