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Features

Asphaltum Pavements

To Make Collodion

Steamship Burned--Combustion of Oil Waste

Martin's Self-Weighing Cart

Blue Varnish

Important Notice

List of Patent Claims

A Search for Readers of Scientific Works

The Compass on Iron ships

Terrestrial Magnetism

Patent Case--Heavy Damages

Heating the Feed Water of Steam Engines

Improvement in Molding and Shaping Metals

Patent Extension

New Improvement Wanted for Saw Mills

Increasing the Density of Colors

Award of Prizes

The Woodworth Ogre Again--Lobbyists

Important From Washington--Another New Patent Bill Before Congress

Food--Philosophy--Bread

Finale of the Woodworth Patent

Preservin Timber

Liquid Stone

Improvement in Constructing and Working of Locomotives

Bleaching Linen and Cotton

Mechanics

Inventors, and Manufacturers

Departments

  • Letters

    Correspondents

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January 03, 1857

Reanimate Your Brain

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