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Device for Raking and Loading Hay, Healthful Effects of the Tomato

Recent Photographic Improvement

Education of Workingmen

Weights and Measures

Monitors in England

Salt and Soda

Hickman's Improved Washer

New Publications

Special Notices

Humors of Business

Educating Other Nations

Breech-Loading Rifles for Sportsmen

Coal and a Substitute

Patent Claims

Issued from the U. S. Patent Office

Ryerson's Churn

Evans's Weather Strip

Conner's Screw Wrench



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    Our Special Correspondence

  • New Inventions

  • Notes and Queries

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June 09, 1866

Science for the Modern World