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Engineers in the United States Navy

Self-Feeding Furnace

Currant Wines

To Preserve Eggs for One Year

New Piece of Ordnance

Coating Iron with Zinc and other Metals

Boiler Incrustations

Skin Diseases

Foreign Scientific Memoranda

Printing Machines

Concussion of Pump Valves

Platinoid Metals

Wire Gauze and Fire Damp Explosion

Poison Oak of California

American Perseverence and Enterprise

Lime and Its Compounds

Barrow's Rotary Engine

New Water Wheel

The Ericsson

A New Machine for Measuring Watch Crystals

Improved Horse Power

Improved Machine for Carving upon Wood and other Materials

Machine for Separating Ores

Improvement in Drawing Instruments

New Seed Drill

Mississippi and Ohio Rivers

American and British Steamships

Events of the Week

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

  • Reviews

    A Chapter of Suggestions, &C

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