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Improved Sorghum Evaporator

Recent American Patents

Miscellaneous Summary

Special Notice

Huntington's Self-Acting Safety-Valve

The Calorimeter of Boilers

Dust on Railroads

First Fall Meeting of the Polytechnic

Gas Engines

Concussion of Heavy Guns

The English Going Ahead of US in Arms

The Mission of Machinery

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September 17, 1864

Think Outside the Gift Box