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Scientific American, Vol. 5, No. 7 (August 1861) (1861)

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An illustration from Scientific American, Vol. 5, No. 7 (August 1861), 1861, leaf 0
ing aniline colors to textile fabrics. The specification power is so multiplied, that the punch is easily base. This fabric is submitted to a bath composed by of the patent is published in Newton's London Journal. pressed through the bar. preference of a dilute acid solution of any desired It… … to be expanded laterally on out the use of soap, accord- PERKIN'S PUNCHING AND SHEARING MACHINE, being punched, unless it is ing to the color under oper- confined between jaws, pro- ation : the red color more vision must be made for this requirement. Mr. colors for producing patterns upon textile…

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