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Features

The Telegraph

Improved Shingle Machine, Tunnel Under Chicago River, and More

A Fine Tower Clock

Our Special Correspondence

The Manufacture of Haircloth

Miscellaneous Summary

Chemical Notes

The Advantage of Good Tools

Influence of the Mechanic in Politics

Telegraphic Cable

New Publications

Special Notices

Appleby and Gould's Lamp Chimney

The Force of Wind

Disinfecting by Steam

Inventors--Their Labors and Rewards

Patent Claims

Issued from the U. S. Patent Office

Nell's Adjustable Spring Bracket for Window Shades

Rowell's Movement

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August 04, 1866

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