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Self-Feeding Furnace

To Preserve Eggs for One Year

Currant Wines

Engineers in the United States Navy

New Piece of Ordnance

Printing Machines

Boiler Incrustations

Coating Iron with Zinc and other Metals

Foreign Scientific Memoranda

Skin Diseases

Concussion of Pump Valves

Lime and Its Compounds

Wire Gauze and Fire Damp Explosion

American Perseverence and Enterprise

Platinoid Metals

Poison Oak of California

Barrow's Rotary Engine

Improvement in Drawing Instruments

New Seed Drill

Machine for Separating Ores

New Water Wheel

A New Machine for Measuring Watch Crystals

The Ericsson

Improved Horse Power

Improved Machine for Carving upon Wood and other Materials

The Second American Arctic Expedition

Events of the Week

American and British Steamships

Mississippi and Ohio Rivers

A New Highway to Europe

Fulminating Substances

The New York Crystal Palace



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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