Letters Patent of the United States were Granted in the Week Ending May 1880 AND EACH HEARING THAT DATE. English Patents Issued to Americans. WANTED THE FRICTION CLUTCH CAPTAIN Friction Hoisting Engines and Hoisting Drnms. ROCHESTER Y The Cambridge Boiler Explosion. By J. R. ROBINSON 4 0 PRICY. 10 CECNTS. A. WILLIAMS Sz CO. t. X .9 INDEX OF INVENTIONS PONY PLANER PATTERN ' . MACHINE KNIVES - -, scientific american, 1880-06-12
Letters Patent of the United States were Granted in the Week Ending May 1880 AND EACH HEARING THAT DATE. English Patents Issued to Americans. WANTED THE FRICTION CLUTCH CAPTAIN Friction Hoisting Engines and Hoisting Drnms. ROCHESTER Y The Cambridge Boiler Explosion. By J. R. ROBINSON 4 0 PRICY. 10 CECNTS. A. WILLIAMS Sz CO. t. X .9 INDEX OF INVENTIONS PONY PLANER PATTERN ' . MACHINE KNIVES - -, scientific american, 1880-06-12
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