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American Industries--No.63

The Manufacture of Power Drills for Mining, Excavating, Etc.

Eighteen Hundred and Eighty

The Last Number

Electric Lights in Broadway, New York

Compressed Air as a Motive Power

The Spread of Diphtheria

The Scientific American for 1881

Site of the New York fair of 1883

Progress of the Hudson River Tunnel

Petroleum for Harbor Defense

Western Side Wheelers

Agricultural Inventions

New Polishing Machine

New Cistern Filter

Improved Bomb Lance

Hand Mirror Holder

Miscellaneous Inventions

Burtons Improved Street Lamp

Engineering Inventions

Sand and Water Spouts


  • Departments

    Recent Inventions

  • Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index of Invention

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December 25, 1880

Confronting Common Wisdom