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Pneumatic Dispatch and Telegraphy

Altering Light Draft Monitors

Wood-Splitting Machine

A Visit to Some English Wire Works

Market for the Month

New Books and Publications

Sugar-Making in Cuba

Turning Tools

Foreign Intelligence

Mr. Dodge on Breech Loaders

Recent American Patents

Manbre's Improvements in the Manufacture of Glucose Sugar

Raising Petroleum

Patents on Small Things

Marine Engines

To Practical Men

The Petroleum Oil Interests

The Balance of Trade Delusion

Surface Indications of Petroleum


Patent Claims

The Correlation and Conservation of Forces

Reducing Cast Iron to Steel by Carbonic Acid


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    Notes and Queries

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January 09, 1865