Volume 18, Issue 13
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Features
Editorial Correspondence
Heat and Cold
Rohrer's Improved Gutter Bracket and Support
Turning a Movable Wheel Around a Fixed Wheel
Recent American and Foreign Patents
Editorial Summary
Manufacturing, Mining, and Railroad Items
Answers to Correspondence
Extension Notices
Relief to Manufacturers
Is the Career of Cholera Ended
Plaster Molds for the Casting of Low Fusible Metals
The Detroit Dilemma
Double-Wall Ice Pitchers
Patents and Claims
Issued by the United States Patent Office