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American Machines at the Paris Exposition

Lunkenheimer's Tallow Lubricator

Improvement in Steam Generators

What Are the Tails of Comets Made of

Great Guns and Breech-Loading Fire-Arms

Weber's Safety Pocketbook

Editorial Summary

Value of Advertising--Its Importance, and How to Do it

Manufacturing, Mining, and Railroad Items

Extension Notices

Answers to Correspondents

Recent American and Foreign Patents

New Publications

Bellerjeau's Improved Lamp Chimney

Bridging of Navigable Rivers

The Silver Palace Cars

The Nuisance of Steam Whistles

The Commisioner of Patents--His Incompetency and Mismanagement

Discomforts of Railroad Traveling

Science Familiarly Illustrated

Greenwich Time

Official Report of Patents and Claims

Patent Office Decision--Method of Numbering Coupons, Etc.


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August 10, 1867