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Scientific American, Vol. 1, No. 19 (1846) (1846)

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An illustration from Scientific American, Vol. 1, No. 19 (1846), 1846, leaf 0
VOLUME 1] [NUMBER 19, a - wna Tilia SOLENLIFIG AMBRIGAM, PATENT LAWS. PUBLISHED EVERY THURSDAY MORNING, AT THE An Act to promote the progress of Useful Arts, and to … entitted to a commission of twenty-five cents each. of seventeen hundred dollars, and to be called the Teams or Apvertisinc.—For 10 lines, or less, 50 Chief Clerk of the Patent Office, who, in all cases, cents for the first, and 12 I-2 cents for every subsequent Some have adopted the use of an…

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