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Features

The Albion Boiler

Muscular Movement without Life

Hon. David A. Wells and the French Institute

A Proposed Testing Laboratory

Discovery of the Cause of the Zodiacal Light

From Chaos to Coral

Art among the Ashantees

The Magnetic Equivalent of Heat

Burial in the Sea

Regulating the Speed of an Engine

Overhead Traveling Crane

Improved Mixing Spoon

Device for Preventing Horses from Cribbing

The Keokuk and Hamilton Bridge

Useful Information on Steam Power

Improved Picket Fence

Improved Work Holder for Lathes

Curious Plants

Decisions of the Commissioner of Patents

Decisions of the Courts - May 23, 1874

The Flow of Solids and Its Effect upon the Strength of Materials

By R. H. Thurston

Recent American and Foreign Patents - May 23, 1874

Answer Correspondents - May 23, 1874

Communications Received - May 23, 1874

Canadian Patents - May 23, 1874

Departments

  • Letters

    Correspondence - May 23, 1874

  • Departments

    Business and Personal - May 23, 1874

  • Index of Inventions - May 23, 1874

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Know Before You Vote

Know Before You Vote