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Scientific American, Vol. 49, No. 1 (1883) (1883)

leaf 14

An illustration from Scientific American, Vol. 49, No. 1 (1883), 1883, leaf 14
1A Srientific Avevican. {JuLy 7, 1883. … The Bit Brace is made of steel, hi HARTFORD thly polished and cs fringements. This In- mn 2. It will pay for itself heavily nickel-plated, with a cocobola handle and strument is supplied with in six months, in thesaving jignumvite head, It has two sets of forged steel jaws. 12 keys for 12 stations.…

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