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Improved Gang Plow

Water-Spouts in the Mountains

The Needle Gun

Banquet to Cyrus W. Field

Extension Notices

Erie Basin Dry Dock Company

Williams's Potato Washer

Change in the Style of Patents

Wrought Scrap Iron for Forgings

Enlargement of the Scientific American for 1867

Patent Claims

Patent Office Decision--Cultivators


  • Departments


  • Notes and Queries

  • New Inventions

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November 24, 1866

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