3 r-} re Contained in SCIENTIFIC AMERICAN SUPPLEMENT, No. esting and valuable table showing the number of patents 438. Price 10cents. For sale at this office and by all Valve gear, pum ping engin Bohn, treating of open circuit batteries, historical dry ranted for the various subjects upon which… … 0MK ON PATENTS Bent free Address 27,560 THE SANDBLAST PROCESS.—BY J. J. CYCLOPEDIA OF Hat support, H.G. Cozzino « 27,558 MUNN & CO., Ice shave, Foster & Coleman : B1818 Holtzapfrel. A full description of this interesting pro- 361 Broadway. New York. Mandolin body. E. F. Howe... cess and of the…
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