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Improved Dovetailing Machine

Hot Weather and Hydrophobia

The New Comet. Coggia

Philosophers on Sound

The Astor Library

Protection from Fire

Science Beads an Oracle Relating to the Metallurgy of the Future

Bonser's Patent Steam Trap

Electric Phenomena of the Leaves of the Fly Catcher

Bloodless Surgery

Feathering Arrow Heads

A Novel Mechanical Movement

Pond's Patent Spanner

Improved Grappling Tools

The Jubea Spectabilis Palm

The Convention of the Civil Engineers

Decisions of to Courts - July 4, 1874

Recent American and Foreign Patents - July 4, 1874

Sceientific and Practical Information - July 4, 1874

Communication Received - July 4, 1874

Answers to Correspondents - July 4, 1874

Canadian Patents - July 4, 1874


  • 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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The Essential Guide to the Modern World

The Essential Guide to the Modern World