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Features

Improved Machine for Pressing Bricks, The American Tube Well, and more

Goodsell's Improved Chimney Cap or Cowl

Editorial Summary

Recent American and Foreign Patents

Manufacturing, Mining, and Railroad Items

Answers to Correspondents

Extension Notices

Brown's Double-Action Turbine Wheel

Engineering Talent Required in Agriculture

The Wear of Iron Rails

The Care of Water Pipes in Winter

Gaging the Diameter of Cylindrical Bodies

Iron Working--The Puddling Process

Official Report of Patent and Claims

Issued by the United States Patent Office

Steel Wheels and Axles

Pending Applications for Reissues

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January 18, 1868

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