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

Editorial Correspondence

Science Familiarly Illustrated

Sawyer's Patent Carriage Wheel

Whipple's Combined Taper Holder and Match Safe

The Movable Wheel Question

Recent American and Foreign Patents

Answers to Correspondents

Extension Notices

Concerning Street Cars

Process of Sugar Making in Mauritius

Gathering, Distribution, and Utilization of Sewerage

Iron Puddling by Machinery

Patents and Claims

Issued by the United States Patent Office


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February 22, 1868

20% Sitewide for President's Day