Volume 15, Issue 6
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Features
The Telegraph
A Fine Tower Clock
Our Special Correspondence
Miscellaneous Summary
The Manufacture of Haircloth
Influence of the Mechanic in Politics
Chemical Notes
The Advantage of Good Tools
Telegraphic Cable
Special Notices
New Publications
Appleby and Gould's Lamp Chimney
Inventors--Their Labors and Rewards
The Force of Wind
Disinfecting by Steam
Patent Claims
Issued from the U. S. Patent Office