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Features

Bridge on the Mont Cenis Railway

Suction

Rusting of Railway Rails

Operations of the Patent Office

What is Steel!

Characteristics of a Business King

The Mechanic of the Future

The Docks at Portsmouth, England

Peat Fuel

Astronomical Notes - December 5, 1874

A Bridle and a Blinder for Unruly Horses

The New French Army Gun

Smith's Improved Rein Holder

The Indoor Garden and the Shrubbery

Patent Office Yearly Report - 1874

Scientific and Practical Information - December 5, 1874

Recent American and Foreign Patents - December 5, 1874

Answers to Correspondents

Communications Received - December 5, 1874

Canadian Patents - December 5, 1874

Departments

  • Letters

    Correspondence - December 5, 1874

  • Recommended

    New Books and Publications - December 5, 1874

  • Departments

    Business and Personal - December 5, 1874

  • Index of Inventions - December 5, 1874

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December 05, 1874

Complex Causes. Alternative Solutions.

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