ONLY 25 CENTS Accepted. A Practical Little Book. 'HOW TO MAKE A I MOTOR OR DYNAMO. ST. BROOKLYN VITRIFIED BRICK. NEW YORK BRICK AND PAVING CO. SYRACUSE N. Y. NEW YORK FREE SITES TO SUBSTANTIAL MANUFACTURING ENTERPRISES ris figfr ESTA MASHED 1845. The Most Popular Scientific Paper in the World Only a Year Including Postage. Weekly-52 Numbers a Year. MUNN & CO. 361 Broadway New York. T H E 361 Broadway New York. Waltham Mass. York. Other foreign patents may also be obtained. CATES IRON WORKS 50 C So. Clinton St Chicago Rubber Rolls and Wheels. Box E Windsor Locks. Conn. LATEST


ONLY 25 CENTS Accepted. A Practical Little Book. 'HOW TO MAKE A I MOTOR OR DYNAMO. ST. BROOKLYN VITRIFIED BRICK. NEW YORK BRICK AND PAVING CO. SYRACUSE N. Y. NEW YORK FREE SITES TO SUBSTANTIAL MANUFACTURING ENTERPRISES ris figfr ESTA MASHED 1845. The Most Popular Scientific Paper in the World Only a Year Including Postage. Weekly-52 Numbers a Year. MUNN & CO. 361 Broadway New York. T H E 361 Broadway New York. Waltham Mass. York. Other foreign patents may also be obtained. CATES IRON WORKS 50 C So. Clinton St Chicago Rubber Rolls and Wheels. Box E Windsor Locks. Conn. LATEST IMPROVEMENTS NEW STYLE. NEW PRICES GROWING RAPIDLY in FAVOR `Wbverfisemenfe. ORDINARY RATES. Inside Page. each insertion - 75 cents a line The Sebastian-May Co. IMPROVEDSCREW CUTTING 165 to 167 Highland Ave. SIDNEY OHIO. Ns 'Star' Screw Cut A LATHE 91 & 92 WATER STREET RITTSBITRG PA. ARTESIAN WELLS SPECIAL NOTICE! AIR COMPRESSORS LIGHTNING WELL-SINKING MACHINERY MANUFACTURERS. anroraIll. mes DE St. chi 1)ON'T T WisT YOUR 'WRIST. The HOWARD - ALLARD ORIGINAL PATENT SPIRAL Inventions and Novelties Developed. IMPROVED MODE' DESIGNS LATHES ENGINE Sebastian Lathe Co. THE BEST IN THE WORLD. Cost g'T 19375 each. Address THE VANDUZEN & TIFT CO„ Metallic Gaskets and WM. GRAVER TANK WORKS THE ARMSTRONG MACHINES STORAGE TANKS. 3d Floor Rookery Bldg. CHICAG ILL. Astronomical Telescopes Bayonne New Jersey. MODEL W'algrP WORK PERFORATORS OF ALL METALS The Harrington & King Perforating Co Chicag anc1281 1893 SCIENTIFIC AMERICAN INC., 1893-04-15


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