itteftton, ,HJP I VAX I lw THE ADVOCATE OP INDUSTRY, AND JOURNAL OF SCIENTIFIC, MECHANICAL AND OTHER IMPROVEMENTS. [NUMBER 30. NEW YORK APRIL 13, 1850. VOLUME 5.] upper and circular plates, B" B'", when a par- THE Scientific American, tial vacuum is formed by the rapid motion of GOSHON'S IMPROVED… … given to every male over eighteen years of age, is made spherical, and it has a ronnd central This improved Smut Machine is tho inven- Detonating Sliver who shall settle on the line of Baid road or eye encircled by a funnel curb, All, into This is made by putting a sixpenny piece tion of Mr. Joseph…
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