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Scientific American, Vol. 37, No. 23 (December 1877) (1877)

leaf 6

An illustration from Scientific American, Vol. 37, No. 23 (December 1877), 1877, leaf 6
would be considerably weaker than the teeth in the ences of the wheels it is evident that the arc, G F, must be wheel, B, and the pins would soon wear away from the small equal to the arc, 0- amount of wearing surface they possess. B, w e place our generating circle in contact with the inside Iiet… … scorpions; these, when fixed face to face and goaded into in the direction from G to F, would impart a continuous lines, representing the surfaces of projecting radial ribs, ar- fury, at once commenced to beat the air with their palps and and uniform motion to the pinion, A. ranged at equal…

Iron · Patents · Patented · Water · Address · Colors · Scientific American · Asks · Shooting stars · Professor mayer · Generating circle · Wrought iron · Square feet · Tracing point · Cast Iron · Specific gravity · Organic life

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