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American Machines at the Paris Exposition

Improvement in Steam Generators

Lunkenheimer's Tallow Lubricator

What Are the Tails of Comets Made of

Great Guns and Breech-Loading Fire-Arms

Weber's Safety Pocketbook

Manufacturing, Mining, and Railroad Items

Editorial Summary

Extension Notices

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

Answers to Correspondents

New Publications

Recent American and Foreign Patents

Bellerjeau's Improved Lamp Chimney

Discomforts of Railroad Traveling

The Commisioner of Patents--His Incompetency and Mismanagement

The Nuisance of Steam Whistles

The Silver Palace Cars

Bridging of Navigable Rivers

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

Science for the Modern World