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Features

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

New Iron Alloys

The Utilization of Iron Pyrites

Scientific and Practical Information - January 24, 1874

Death in the School Room

Auguste De La Rive

To Our Friends

The Centennial Tower One Thousand Feet High

Recent Iron Bridge Construction

Improved Cooking Vessel

Improved Mallet

Wardwell's Adjustable Bench Jack

A Simple Freezing Machine

A Modern Orchid House

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

No. 7

Decisions of the Courts - January 24, 1874

United States Circuit Court---District of Connecticut.

Recent American and Foreign Patents - January 24, 1874

Answers to Correspondents - January 24, 1874

Communications Received - January 24, 1874

Value of Patents and How to Obtain Them

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

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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