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Sugar in Louisiana

Hardening Metal

Superheated Steam and Cylinder Jackets

Heating Schools

Testing Vinegar

Locomotive Expenses

The Speed of Railway Cars

Jordan's Washing Machine

New Patent Pump

New Portable Forge

American Smartness--By An Assumed Englishman

American Union of Inventors

The Cigar-Shaped Steamer

Energy of Heat


Extraordinary Boiler Explosion

Welcome the New Year!

Wood Bearings for Shafts--Lubrication

The New American Cyclopdia

Soluble Glass

The Weighing of Coal

Notes on the Progress of the Paddle and Screw--No. 7


Inventors, Millwrights. Famers and Manufactures

Guano Discoveries

A Technological College


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    Notes and Queries

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