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The Blue Ridge of Virginia Tunneled

Thrilling Incident in the Life of an Inventor

A Dear Egg

Philadelphia Ice Boat

Virginia Iron Manufacture

A Monster Turn-Table

List Of Patent Claims

Gas From Wood

Improvement in Constructing and Working of Locomotives

Great War Engine

Powder for Razor Strops

To Clean Marble

Brick Machinery

The People's College

Wonderful Growing Stone

Hoop Splitting and Planing -Erratum

The Woodworth Planing Machine Patent

The Chinese Sugar Cane


The Mechanism of the Eye

Chinese Potato-Discorea Batatas

Application for Extension of a Patent

English Patent Case

Patent Cases

Great Bridge

Niagara Railway Suspension Bridge

Telegraphic Insulation

Important Items


Nineveh Curiosities

Bones as Manure

Improved Gauge Cock

Gas Works in Great Britain

The Cooper Institute

Portable Alcohol Stove

A Spitting Snake


Inventors and Manufacturers

The Prism of Odors


  • Letters


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January 17, 1857

Of Shamrocks and Science

Happy St. Patrick’s Day