Volume 18, Issue 12
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Features
Curious Applications of Electricity
Heat and Cold
Dittenhaver's Adjustable Clothes Line Post
Turning a Movable Wheel Around a Fixed Wheel
Recent American and Foreign Patents
Manufacturing, Mining, and Railroad Items
Editorial Correspondence
Answers to Correspondents
Improvement in the Manufacture of Machinists' Tools
The New French Gas Light
Practical Information for Mechanics
Fish as Food--Its Relative Value
Editorial Summary
Patents and Claims
Issued by the United States Patent Office