Printing with Aniline Black. 41.6 Some New Phosphoric Compounds. The Industrial Expositions. Inventions Patented in England by Americans. Improved Pruning Knife. Improved Chain Clamp. Improved Ventilator. Improved Farm Gate. Improved Milk and Cream Cooler. Improved steam Lubricator. Improved Breech Loading Fire Arm. Improved Projectile. A Check to Railway Enterprises., scientific american, 1873-10-11
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