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The Gatling Battery Gun and Cartridges, The Steam Ram Dunderberg

English Locomotives

Editorial Summary

Patent Law--An Interesting Question

A New Lever Movement

Suine's Culinary Instrument

Snow Melted by Friction-Dangerous Paper

By Charles A. Seeley

Ferry Across the English Channel

The Compass--Local Attraction

Mueller's Stove Handles

Recent American and Foreign Patents

Chemical Ingredients of Celestial Light

Kearney's Water Valve for Water Supply Pipes, Gas Companies, Steam Engines, Etc.


Reforms in the Patent Office

Fertility of American Genius

Commissioners to the French Exhibition

Case Hardening of Iron

Canadian Patent Laws

Coloring and Dyeing Ivory

The Paris International Exhibition

The Ocean Yacht Race

Gleanings from the Polytechnic Association

Railroad Items

Practical Education for Mechanics

How People Live in Paris

The Cotton Manufacture

Answers to Correspondents

Disinfectants--A Valuable Report

Patent Office Decisions--Combination Tool Patent

The Markets


  • Departments


  • Business and Personal

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January 12, 1867

20% Sitewide for President's Day