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Economical Method of Manufacturing Salt

Colburn on Steam Roilers

Changing Iron to Steel by Carbonic Oxide

Warren's Deep-Well Oil Pump

Polytechnic Association of the American Institute

Farmers' Club

Mr. Ruggles at New Haven

A New Phrenological Bust

Reed And Packard's Spring-Catch Button

Costliness of Complicated Steam Engines

Why Cake Tastes of Turpentine

Welding by Pressure

The Russian Monitors at Sea

Miscellaneous Summary

Recent American Patents

Patent Claims

Issued From The United States Patent-Office

To Our Readers

Howard's Coin Safe

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October 22, 1864

See the World from a Different Perspective

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