Volume 18, Issue 2
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Features
Report of the Acting Commissioner of Agriculture
Applications of Electricity as Seen at the Paris Exposition
Testing Iron by Magnetism
Bennett's Device for Sinking Well Tubes
The Science of Extinguishing a Fire
Recent American and Foreign Patents
New Publications
Manufacturing, Mining, and Railroad Items
Extension Notices
Answers to Correspondents
Alvord's Elastic Horse Collar
The Antiquity of Man
Hilton's Improved Air Chamber for Pumps
Frankfurth's Funnel Heat Radiator and Damper
Railroad Accidents--Is There a Remedy?
Bessemer Steel--Is its Superiority Established?
Communication between New York, Brooklyn and Jersey City
The Commissionership of Patents
Official Report of Patent and Claims
Issued by the United States Patent Office