INDEX OF INVENTIONS For which Letters Patent of the United States were issued for the Week Ending August 6 1907. EACH BEARING THAT DATE AND RECENTLY PATENTED INVENTIONS. Pertaining to Apparel. Electrical Devices. Of Interest to Farmers. Of General Interest. NEW BOOKS ETC., scientific american, 1907-08-11

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INDEX OF INVENTIONS For which Letters Patent of the United States were issued for the Week Ending August 6 1907. EACH BEARING THAT DATE AND RECENTLY PATENTED INVENTIONS. Pertaining to Apparel. Electrical Devices. Of Interest to Farmers. Of General Interest. NEW BOOKS ETC., scientific american, 1907-08-11

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