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Features

Improved Dovetailing Machine

Hot Weather and Hydrophobia

The New Comet. Coggia

Philosophers on Sound

The Astor Library

Science Beads an Oracle Relating to the Metallurgy of the Future

Protection from Fire

Bonser's Patent Steam Trap

Electric Phenomena of the Leaves of the Fly Catcher

Bloodless Surgery

Feathering Arrow Heads

Improved Grappling Tools

A Novel Mechanical Movement

Pond's Patent Spanner

The Jubea Spectabilis Palm

The Convention of the Civil Engineers

Decisions of to Courts - July 4, 1874

Sceientific and Practical Information - July 4, 1874

Recent American and Foreign Patents - July 4, 1874

Answers to Correspondents - July 4, 1874

Communication Received - July 4, 1874

Canadian Patents - July 4, 1874

Departments

  • Letters

    Correspondence - July 4, 1874

  • Recommended

    New Books and Publications - July 4, 1874

  • Departments

    Business and Personal - July 4, 1874

  • Index of Inventions - July 4, 1874

  • Patents - July 4, 1874

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July 04, 1874

Think Outside the Gift Box