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The Hotchkiss Cannon Revolver

New Patent Conventions - January 10, 1874

The Prime Movers and Their Recent Progress

Expert Engineering

To Our Subscribers

Progress of the Centennial

Improved Atomizer

Improved Trotting Gear

Improved Tool Holder

Improved Portable Fence

Metaline

Scientific and Practical Information - January 10, 1874

Alumina, from the Clay to the Sapphire

Inside a Church Organ

Barrow in Furness, Lancashire, England

The New Exploration of the Amazon River, by Professor Orton.---Over the Andes

No. 5

Decisions of the Courts - January 10, 1874

United States Circuit Court---District of Massachusetts.

Value of Patents, and How to Obtain Them - January 10, 1874

Practical Hints to Inventors.

Recent American and Foreign Patents - January 10, 1874

Answers to Correspondents - January 10, 1874

Canadian Patents - January 10, 1874

LIST OF PATENTS GRANTED IN CANADA DECEMBER 15 TO DECEMBER 17, 1873.

Communications Received - January 10, 1874

How to Obtain Patents and Caveats in Canada - January 10, 1874

Departments

  • Letters

    Correspondence - January 10, 1874

  • Recommended

    New Books and Publications - January 10, 1874

  • Departments

    Business and Personal - January 10, 1874

  • Index of Inventions - January 10, 1874

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January 10, 1874

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