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Patent Telescopic Speaking Trumpet
A Flying Parachute
Martin's Patent Safety Swing
Another Optical Illusion
Locke's Self-Lighting Gas Burner
Pictorial Printing
The Construction of Watches
Manufacturing Mining, and Railroad Items
Recent American and Foreign Patents
Extension Notices
New Publications
Answers to Correspondents
The Polytechnic Club of the American Institute
Constructive Mechanics and Educational Means
The Wheel Question
To Inquiring Correspondents
Water Meters
Forging by Drops and by Hammering
Official Report of Patent and Claims
Issued by the United States Patent Office
Pending Applications for Reissues
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