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Features

Intermittent Springs—Error in the Works on Physics

Lithograghic Fac-simile Copying Press

Dyeing in France and Contributions of Modern Science to the Art

By E. R. Mudge

Velocipede Summary

The Trade in Human Hair

The Northern Pacific Railroad

The Manufacture of Iron—The Radcliffe Process

Manufacture of Pressed and Cut Glass Ware

Douglas' Improved Patent Globe Valve

The Mechanics of Walking

Canadian Patents—How Not to Get Them

Pretended Mechanics

Alexander T. Stewart—A Noble Charity

The East River Bridge

Beet Root Sugar

The Gamgee Process

Gas Monopolies

Manufacturing, Mining, and Railroad Items

Recent American and Foreign Patents

Editorial Summary

Patent Case-Desulphurizing Ores

Answers to Correspondents

Official List of Patents

New Publications

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  • Business and Personal

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