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Improved Acoustic Telegraph

Evaporation into the Atmosphere

Miscellaneous Summary

New York Markets

For the first week of December, 1863

The Monitors

Zinc or Spelter and Brass

King's Improved Bee-Hive

The Foreign Iron-Clads

The Machinist's Strike

On the Value of Small Patents

Our New Dress

Vinegar and its Adulterations

The Utility of Inventors to Mankind

Patent Claims

Issued from the United States Patent-Office

Recent American Patents

Inventions and Discoveries Abroad


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  • Notes and Queries

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December 12, 1863

Of Shamrocks and Science

Happy St. Patrick’s Day