180 Improvement in Fiddles. Improved Safety Lock. Improvement in Flax Spinning. New Invention Cast Iron Chimney Tops. Novel 'Musical Instrument. New Railroad Wheel. Improvement in Grinding Grain. Gun Cotton Engine. LIST OF PATENTS INVENTOR'S CLAIMS. Burring Machines. Artificial Teeth. Blind Fasteners., scientific american, 1848-02-26
Keywords:
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