Scientific American Magazine Vol 13 Issue 13

Scientific American Magazine

Volume 13, Issue 13

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Features

History of Keys

French Inventors' Society

African Expedition up the Niger

Buried Timber

Kittinger's Boring and Mórtising Machine

Pumps

Striping Tool

Coal Slater

Melodeons

Sash Balance

A Combined Propeller and Pump

Cane Coverer

Seed-Planting Gang Plow

Seed Drill

Hydrophobia

That Famous Decision

Cultivator

Phosphorescent Animals

Laser

Improved Trusses

Washing Machine

Arithmometer

Improved Signal Lights

Potts' 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

Segar Machine

The Milky Way

Ancient Glass Manufactures

The American Industrial Association

The Accident at the Launch of the Great Eastern

Catacombs—Great Deposits of Phosphate of Lime

Dovetailed Building Stones

Which are Best—Plain or Ornamental Stoves?

Imitating Skins of Animals upon Fulled Cloth

Mechanics

The Highest Mountain in the World

More Sorgho Sugar

Central America for Cotton

Cistern Filter

Preparations for Laying the Atlantic Cable Next Year

Departments

Correspondents - December 5, 1857