RECENTLY PATENTED INVENTIONS. Agricultural Implements. Electrical Apparatus. Hardware. Mechanical Devices. Railway Improvements. Vehicles and Their Accessories. the invention and date Of this paper. Business and Personal Wants. sary to give the number of the inquiry. MUNN & CO. foratins sheet metal. INDEX OF INVENTIONS For which Letters Patent of the United States were issued for the Week ending September 9 194)2 Robinson 708688 (Continued on page PM, scientific american, 1902-09-11
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