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Features

Improvement in Gumming and Sharpening Saws, Improved Watch Case, and more

Editorial Correspondence

Science Familiarly Illustrated

Sawyer's Patent Carriage Wheel

The Movable Wheel Question

Whipple's Combined Taper Holder and Match Safe

Recent American and Foreign Patents

Extension Notices

Answers to Correspondents

Gathering, Distribution, and Utilization of Sewerage

Iron Puddling by Machinery

Concerning Street Cars

Process of Sugar Making in Mauritius

Patents and Claims

Issued by the United States Patent Office

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