$mnixiu %mtxum. 63 January 25, 1890.] WEITMVER PATENT FURNACE. BOILERS OF EVERY DESCRIPTION. A Qreat Repository of Practical and, NOW READY. IDE AUTOMATIC ENGINES. Traction and Portable Engines. Scientific Information, jf^xperinQei^tal ?^ciei^ce, One of the FutlesU Freshest, anA Most Valuable… … TYPEWRITERS BY Geo. M. Hopkins, VAUUABLE PAPERS ContaiDBd in SciKNTiFic American SnP5>LEUENT, sent /ree of charge to any address. MUNN i& C'll., 361 Urondway, New York. 740 Pages. 680 Illustrations. Useful, Beautiful, and Cheap. Send for New Illustrated Catalogue describing all Ma- chines. Largest…
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