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Scientific American, Vol. 45, No. 3 (1881) (1881)
leaf 7
ers have lately behind them, so that they are projected and engage the ratch- ‘first pawl can act uponit, when the same is moved by the first ‘magnet in turning on the gas and lighting it. When the gas ' been entertained by the sight of gangs of workmen swarming ets. The rims of the wheels, 7, are… … Buttonwood street, Reading, Pa. retain their foothold in every place. and at © 1881 SCIENTIFIC AMERICIAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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