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Brine a Poison

The Gasconade Bridge Disaster

Saltpeter is King

Improvement in the Telegraph

Coffee Leaf as a Beverage

Casting of the Horse for the Washington Monument

Yampert's Pump

The Green Lakes of Onondaga

Orange and Pink Color on Silk

Floating Logs

Explosion of a Locomotive

A Pamphlet on Boiler Explosions

The Ignition Engine

The Climate for Consumptive Persons

The Albany Observatory

Public Clocks

Present to an Inventor

Oscillating Locomotives--Lap of the Valve

On the Purchasing of Machinery

Creative Power of a Mechanic

Railroad Car Patent Case

Marble Sawing Machine

Hays' Patent Lard Lamp

One and Two Cylinder Engines

Seymour's Sewing Machine for Shoes

Rejected Models

Reform of Patent Laws.--Important Meeting of Inventors at Buffalo, N. Y

British Association for the Advancement of Science.--No. 2

Value of Mechanics in Australia

Three Masted Schooners

The Discovery of Making Shot

Alumina in Soapatone

Are the Position of Countries Changing ?

Blackening for Foundries

Lead and Iron Pipes

Proposition to Convert the Ohio River into a Slack Water Canal


  • Letters

    To Correspondents

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December 08, 1855

20% Sitewide for President's Day