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Scientific American, Vol. 35, No. 11 (1876) (1876)

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An illustration from Scientific American, Vol. 35, No. 11 (1876), 1876, leaf 0
se, that the thousands who had gathered of protecting the boiler for from two to four weeks longer. cured to adjust the plow to work deeper or shallower in the around to witness the scene were forced to retire to a more An_average of several experiments shows that about 2°2 lbs. of zinc scrap per… … passing. The spoonin body, being enclosed in turn throws its load in- the larger water tube, to the pan, which, by a series of levers, also connecting with and by such means kept perfectly cool. The escape for the the drum, moves out and back during two movements of cool air is through orifices in…

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