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Improved Carriage and Car Spring, The Present Yield of Gold, and more

Tyndall on Radiation

An Insect Show


The Double Magic Lantern

Newhall's Lamp Attachment

Farmers' Club

Recent American Patents

The Jewelry Manufactured at Birmingham England

Miscellaneous Summary

Lock Up the Throttle Valve

Losie's Thimble

Small Boiler and Engine

What is Superheated Steam?

To Our Readers on the Pacific Coast

The Produce Exchange and the Course of the Grain Trade

Patent Claims

Issued from the United States Patent-Office

Patent Agency Office


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  • Notes and Queries

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November 11, 1865

20% Sitewide for President's Day