written with green ink. Red, yellow, purple, and, indeed, any variety of colored inks may'be easily State rights for sale. produced, and have been used. In all these the color- Writing Ink. ing the liquid with gum-arabic. The boasted power that has been proverbially ascribed to the pen, should, in… … Patented through the Scientific American Patent legible fifty oy a hundred years hence. Agency Sept. 4, 1866, by Alfred Woodworth. In addition toinnumerable methods invented from when the implement cannot reach the part to be ibricated. This isdone by a sudden compressior For further particulars…
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