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Stationary Beam Engine

Safety Car Couplings

The Scientific American in the Workshop and Engine Room

The Scientific American Supplement

The World's Cotton Trade

The Manufacture of Fine Wall Papers

Agricultural Inventions

The Telephone at the Paris Opera

Improved Life Raft

Ebony Cabinet

Miscellaneous Inventions


  • Departments

    Recent Inventions

  • New Inventions

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

  • New Books and Publications

  • Scientific American Catalogue

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December 31, 1881

Confronting Common Wisdom