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Direct Acting Steam and Hydrostatic Press

The New York Industrial Exhibition

Government Telegraphy

Corn as Fuel

The Henderson Iron Process

Losses of Power in the Steam Engine. Where it May be Improved and to What Extent

Friction of Journals

Art Treasures from Cyprus--English Criticism on their Destination

Patent Business in Congress

New Theory of the Aurora

The Anti-Sea-Sick Ship

Professor Tyndall on Light--Second Lecture

Improved Blast Furnace

The Lyons Exposition Elevated Railway

The Great Laxey Water Wheel

A Gigantic Fire Engine

The Progress of Chemistry in 1872

Recent Patent Decisions

Scientific and Practical Information

Recent American and Foreign Patents

Under this heading we shall publish weekly notes of some of the more prominent home and foreign patents.

Answers to Correspondents


  • Departments


  • New Books and Publications

  • Notes and Queries

  • Business and Personal

  • Index of Inventions

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