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Engineers in the United States Navy

Self-Feeding Furnace

To Preserve Eggs for One Year

Currant Wines

Coating Iron with Zinc and other Metals

New Piece of Ordnance

Foreign Scientific Memoranda

Boiler Incrustations

Skin Diseases

Concussion of Pump Valves

Printing Machines

Platinoid Metals

Wire Gauze and Fire Damp Explosion

Poison Oak of California

American Perseverence and Enterprise

Lime and Its Compounds

New Water Wheel

The Ericsson

Barrow's Rotary Engine

A New Machine for Measuring Watch Crystals

Improved Horse Power

Machine for Separating Ores

Improved Machine for Carving upon Wood and other Materials

New Seed Drill

Improvement in Drawing Instruments

Mississippi and Ohio Rivers

Events of the Week

American and British Steamships

The Second American Arctic Expedition

The New York Crystal Palace

Fulminating Substances

A New Highway to Europe



The Food of Man and Its Effects


  • From the Editor

    To Correspondents

  • Notice to Correspondents

  • Recommended

    A Chapter of Suggestions, &C

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