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Features

New Decolorizing Agent

Darby & Young's Planing Machine

How Wine is Made in California

Professor Rogers on English Coal

Fire Kindling Composition

Rock Drill

Bail for Millstones

Speed Indicator and Governor

To Avoid Sneezing

Bole Armenia

Steel Plow

The Purple of Cassius

Printing Press

Descriptive Index to Chemical Patents

Workbox and Escritoir

Artificial Legs

Improved Snow Plow

Valuable Discovery

A Few Words about Ourselves

Watchmaking

Improved Railroad Chair

Three Weeks more and the Result will be Settled

Gun Cotton and Collodion

Iron Planes for California

Polishing Glass, Metal, & C

Light and Color

The Steamship Central America

Fluid Pressure

Ores

What Causes Vibrations in Dams?

Instinct

Paper Impervious to Water

Heat in the Water of Pumps

Apparatus for Heating Fluids

Apparatus for Illuminating Objects under Water

Mechanics

The Victoria Tubular Bridge

Departments

  • Letters

    Letters with Diagrams

  • Correspondents - December 12, 1857

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