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Scientific American, Vol. 38, No. 3 (January 1878) (1878)

leaf 4

An illustration from Scientific American, Vol. 38, No. 3 (January 1878), 1878, leaf 4
patented a cam turns, so that when the cam lever is turned the window is into a main communicating with the furnace, or with a num- Device for taking Mail Bags upon and delivering them from clamped between the pulley stiles and also between the stops. ber of furnaces. The air required for… … rear edge of the saddletree is a pin pro- one end of which is hinged to the jecting to the rearward and through the THE GODFREY & HOWSON PUDDLING FURNACE, strainer pipe and the other provided © 1878 SCIENTIFIC AMERICAN, INC

Pitch · Arc · Patented · Wheel · Diameter · Diametral · Arc pitch · Iron · Chordial pitch · Steam pipe · Diametral pitch · Natural history · Pitch circle · Intermediate steam · Square roots · Scientific American · Steam cylinder

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