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Scientific American, Vol. 22, No. 11 (1870) (1870)

leaf 3

An illustration from Scientific American, Vol. 22, No. 11 (1870), 1870, leaf 3
not to employing a sufficient, exhausting power C. Four iron eyes may be attached to each board, BC, to “a, Starch is thoroughly dricd until it assumes a yellow- to induce a current of air between the millstones without a run the rods, E, through, and thus dispense with boring ish-brown color. It… … articles. Mr. Bovill, in his English patent of 1846, published an (48° B,) and sulphuric acid (66° B.), and for the rest, treated This invention was patented through the Scientific Ameri- arrangement for employing exhausting power to get the de- as described by process No. 5. can Patent Agency,…

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