Features
Patent Self-Packing Steam Valve
The Watch--Its History and Manufacture
Alloys--Review of a Lecture by Dr. A. Matthiesen, F. R. S
Editorial Summary
American Institute Polytechnic Club
Controlling Water Currents--Deepening the Channels of Rivers
Manufacturing Mining, and Railroad Items
Recent American and Foreign Patents
Answers to Correspondents
Curley's Patent Adjustable Curtain Fixture
De Galleford's Improved Pipe Cutter
Wheeler's Adjustable Pulley for Attaching to Shafts in Place
Aluminum--A Field for Scientific Effort
Importance of Studying Cause and Effect--A Hint to Inventors
The Value and Uses of Worn-Out Files
Etching Glass--One of the Uses of Fluor Spar
“The Wheel”
Great Reduction in Cost of Foreign Patents
Patents and Claims
Issued by the United States Patent Office
To All Whom it May Concern
New Publications
Extension Notices
Pending Applications for Reissues
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