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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


  • 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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