Volume 18, Issue 6
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Features
Boring of Cylinders on a Lathe
Improvement on Iron Planers
Manufacture of Soaps
Science Familiarly Illustrated
Manufacturing, Mining, and Railroad Items
Recent American and Foreign Patents
Editorial Summary
New Publications
Answers to Correspondents
Butler & Waring's Weather Strip for Doors and Windows
Blaetterlein's Device for Inserting Lamp Wicks
What Shall be Done With Our Boys
Spontaneous Combustion
Waste of Oil in Shops and Manufactories
Tungsten and Tungsten Steel
Patents and Claims
Issued by the United States Patent Office