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Features

Darby & Young's Planing Machine

New Decolorizing Agent

How Wine is Made in California

Professor Rogers on English Coal

Steel Plow

Printing Press

Speed Indicator and Governor

Workbox and Escritoir

The Purple of Cassius

Bail for Millstones

To Avoid Sneezing

Bole Armenia

Rock Drill

Descriptive Index to Chemical Patents

Fire Kindling Composition

Artificial Legs

Watchmaking

Improved Railroad Chair

A Few Words about Ourselves

Improved Snow Plow

Valuable Discovery

Polishing Glass, Metal, & C

Iron Planes for California

Three Weeks more and the Result will be Settled

Gun Cotton and Collodion

The Steamship Central America

Light and Color

Fluid Pressure

Ores

What Causes Vibrations in Dams?

Apparatus for Heating Fluids

Instinct

Apparatus for Illuminating Objects under Water

The Victoria Tubular Bridge

Paper Impervious to Water

Mechanics

Heat in the Water of Pumps

Departments

  • Letters

    Letters with Diagrams

  • Correspondents - December 12, 1857

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