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Features

New Iron Alloys

The Utilization of Iron Pyrites

The Influence of Cargoes of Machinery and Hardware on Ships' Compasses

Auguste De La Rive

To Our Friends

Scientific and Practical Information - January 24, 1874

Death in the School Room

The Centennial Tower One Thousand Feet High

Recent Iron Bridge Construction

A Simple Freezing Machine

Wardwell's Adjustable Bench Jack

Improved Mallet

Improved Cooking Vessel

A Modern Orchid House

Decisions of the Courts - January 24, 1874

United States Circuit Court---District of Connecticut.

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

No. 7

Recent American and Foreign Patents - January 24, 1874

Answers to Correspondents - January 24, 1874

Communications Received - January 24, 1874

How to Obtain Patents and Caveats in Canada - January 24, 1874

Value of Patents and How to Obtain Them

Departments

  • Letters

    Correspondence - January 24, 1874

  • Departments

    Business and Personal - January 24, 1874

  • Index of Inventions - January 24, 1874

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January 24, 1874

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