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Improved Screw Jack, the Tax Bill Amendment, and more

Recent Changes in the Patent Law

Natural Colored Photographs

Valuable Receipts

Domestic Manufactures

Take Care of the Machinery

Linseed and its Oil

Implement for Threading Needles

Do Inventions Benefit the Working Classes

The New Atlantic Telegraph

The Engineering Enterprise of London

Boring Steam Cylinders

Hair and Wool--Their Nature and Uses

Miscellaneous Summary

Patent Claims

Issued from the United States Patent Office

Recent American Patents

To Our Readers

Bailey's Patent Ice-Creeper


  • Departments


  • Notes and Queries

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March 21, 1863

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