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Features

Buried Timber

French Inventors' Society

Kittinger's Boring and Mórtising Machine

African Expedition up the Niger

History of Keys

Cultivator

Arithmometer

Coal Slater

Striping Tool

Washing Machine

Improved Trusses

Melodeons

Pumps

That Famous Decision

A Combined Propeller and Pump

Cane Coverer

Sash Balance

Laser

Seed Drill

Hydrophobia

Phosphorescent Animals

Seed-Planting Gang Plow

Andrews' Machine for Filing Saws

McLarty's Policeman's Club

Potts' Improved Signal Lights

Improved Signal Lights

Patent Lever-locking Bolt for Doors, & C

Decision of the Commissioner of Patents the Policeman's Club

Loss of Heat in Steam Boilers

Segar Machine

The Milky Way

Dovetailed Building Stones

The Accident at the Launch of the Great Eastern

Catacombs—Great Deposits of Phosphate of Lime

The American Industrial Association

Ancient Glass Manufactures

Cistern Filter

Imitating Skins of Animals upon Fulled Cloth

Mechanics

Preparations for Laying the Atlantic Cable Next Year

Which are Best—Plain or Ornamental Stoves?

More Sorgho Sugar

Central America for Cotton

The Highest Mountain in the World

Departments

  • Letters

    Correspondents - December 5, 1857

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