COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS FOR WHICH Letters Patent of the United States were Granted in the Week ending February 23 1875 AND EACH BEARING THAT DATE. SCHEDULE OF PATENT FEES. $10 925 920 910 920 930 910 910 915 $30 CANADIAN PATENTS Back Page $1.00 a line. Insidayage 75 cents a line. LOCAL AGENTS WANTED! largest. best and cheapest mechanical build SCROLL SAWS THE CHEAPEST AND BEST IN USE. ANTI FRICTION SCROLL SAW. KEY FASTENER, scientific american, 1875-03-27
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