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Scientific American, Vol. 3, No. 2 (1860) (1860)

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An illustration from Scientific American, Vol. 3, No. 2 (1860), 1860, leaf 0
New SEnIzs. Vou. ITI.—No. 2. WOOD-WORK. tide of progress. A very great variety mentation, is secured to plate, B’, ta … cerine at a low temperature with form as to produce a corresponding form in the stick; it is therefore a guide pattern. On the | slide bar, or it may be called a ‘‘tracer,”’ which is se-| sulphuric or nitric acid. One drop mixed with 99 drops hub of wheel, P, are two collars, U U’, secured by |…

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