Scientific American Magazine Vol 18 Issue 8

Scientific American Magazine

Volume 18, Issue 8

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Features

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

Editorial Correspondence

Science Familiarly Illustrated

Whipple's Combined Taper Holder and Match Safe

Sawyer's Patent Carriage Wheel

The Movable Wheel Question

Recent American and Foreign Patents

Extension Notices

Answers to Correspondents

Process of Sugar Making in Mauritius

Concerning Street Cars

Gathering, Distribution, and Utilization of Sewerage

Iron Puddling by Machinery

Patents and Claims

Issued by the United States Patent Office

Departments

Business and Personal