Srientific American, 63 JANUARY 25, 1890. | WEITMYER PATENT FURNACE. BOILERS OF EVERY DESCRIPTION. A Great Repository of Practicaland NOW READY. IDE AUTOMATIC ENCINES. Traction and Portable Engines. Scientific Information. STHAM ROaAD ROLLERS. | One of the Fullest, Freshest, and Most Valuable… … SHERMAN “KI NEW CATALOCU ARCHITECTURAL = OOKS. TYPEWRITERS BY GEO. M. HOPKINS. VALUABLE PAPERS Contained in SCIENTIFIC AMERICAN SUPPLEMENT, sent ———>_—. free of charge to any address. MUNN & CO., 361 Broadway, New York. 740 Pages. 680 Illustrations. Useful, Beautiful, and Cheap. Send for New…
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