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Improved Turbine Wheel

Notes on Boilers

Foreign Scientific News

Thunder Storms--Protection Against Lightning

New Publications

The Markets

Toshach's Sash Support

The Atlantic Telegraph

Birdsall's Pulley

Success the Popular Estimate of Value

An Absurd Tool

The Charges of the Atlantic Telegraph Company

Important Decision--Extension of Tanners's Car-Brake Patent

Patent Claims

Issued from the U. S. Patent Office

The Great Organ at Plymouth Church


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  • New Inventions

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