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Features

History of Keys

African Expedition up the Niger

Buried Timber

Kittinger's Boring and Mórtising Machine

French Inventors' Society

Cultivator

That Famous Decision

Hydrophobia

Seed-Planting Gang Plow

Arithmometer

Washing Machine

Improved Trusses

Laser

A Combined Propeller and Pump

Sash Balance

Coal Slater

Melodeons

Seed Drill

Pumps

Cane Coverer

Phosphorescent Animals

Striping Tool

Potts' Improved Signal Lights

Improved Signal Lights

McLarty's Policeman's Club

Andrews' Machine for Filing Saws

Patent Lever-locking Bolt for Doors, & C

Loss of Heat in Steam Boilers

Decision of the Commissioner of Patents the Policeman's Club

Ancient Glass Manufactures

The Milky Way

Segar Machine

Dovetailed Building Stones

Catacombs—Great Deposits of Phosphate of Lime

The Accident at the Launch of the Great Eastern

The American Industrial Association

Imitating Skins of Animals upon Fulled Cloth

More Sorgho Sugar

Which are Best—Plain or Ornamental Stoves?

Mechanics

The Highest Mountain in the World

Cistern Filter

Central America for Cotton

Preparations for Laying the Atlantic Cable Next Year

Departments

  • Letters

    Correspondents - December 5, 1857

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