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Improvement on Iron Planers

Boring of Cylinders on a Lathe

Smith's New Club Skate

Manufacture of Soaps

Science Familiarly Illustrated

Editorial Summary

Recent American and Foreign Patents

Manufacturing, Mining, and Railroad Items

New Publications

Answers to Correspondents

Butler & Waring's Weather Strip for Doors and Windows

Blaetterlein's Device for Inserting Lamp Wicks

Tungsten and Tungsten Steel

Waste of Oil in Shops and Manufactories

What Shall be Done With Our Boys

Spontaneous Combustion

Patents and Claims

Issued by the United States Patent Office


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