RECENTLY PATENTED INVENTIONS. Railway Appliance. Electrical. Agricultural. Miscellaneous. TO INVENTORS. BUILDING EDITION. SEPTEMBER (No. 59.) INDEX OF INVENTIONS For which Letters Patent of the United States were Granted September 2 1890. AND EACH BEARING THAT DATE., scientific american, 90-09-13
RECENTLY PATENTED INVENTIONS. Railway Appliance. Electrical. Agricultural. Miscellaneous. TO INVENTORS. BUILDING EDITION. SEPTEMBER (No. 59.) INDEX OF INVENTIONS For which Letters Patent of the United States were Granted September 2 1890. AND EACH BEARING THAT DATE., scientific american, 90-09-13
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