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Scientific American, Vol. 39, No. 22 (November 1878) (1878)

leaf 3

An illustration from Scientific American, Vol. 39, No. 22 (November 1878), 1878, leaf 3
Great Britain, and are now carrying HALLECK'S PLATEN GAUGE. out some large orders. This rail seems to supply a want in one of its edges a shaft carrying the usual grippers. Ad- McGEE'S DRAUGHTING PENCIL. tramway roads, and is now being adopted so freely as to in- justable finger bars, B, are… … ation may be obtained. Fig. [2. In one case, in which there had been complete destruction duce the belief that tbe owners of tramways recognize in it Polarized Light. of all the skin on the dorsum of the foot, involving to a A correspondent of the Philadelphia Public Ledger calls a remunerative…

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