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Buried Timber

French Inventors' Society

Kittinger's Boring and Mórtising Machine

African Expedition up the Niger

History of Keys



Coal Slater

Striping Tool

Washing Machine

Improved Trusses



That Famous Decision

A Combined Propeller and Pump

Cane Coverer

Sash Balance


Seed Drill


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


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


  • Letters

    Correspondents - December 5, 1857

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December 05, 1857

Beyond XX and XY

Biology. Identity. Equality.