Volume 17, Issue 6
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Features
American Machines at the Paris Exposition
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
Extension Notices
Value of Advertising--Its Importance, and How to Do it
Editorial Summary
Recent American and Foreign Patents
New Publications
Answers to Correspondents
Bellerjeau's Improved Lamp Chimney
The Nuisance of Steam Whistles
Bridging of Navigable Rivers
The Commisioner of Patents--His Incompetency and Mismanagement
Discomforts of Railroad Traveling
The Silver Palace Cars
Science Familiarly Illustrated
Greenwich Time