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The First and Last of Its Type

The Future of the Gas-Producer Engine

Sanitation and Subsistence at Panama

The Turbine Steamers on the Canadian Route

A New Kind of Fireproof Theater

The Primitive Observatory of Jeypore

Telephones on Every Street Corner

By George J. Jones

The Evolution of the Horse

A New Interrupter

By Huck Gernsback

Five Thousand Degrees of Heat

By the Paris Correspondent of the Scientific American

A Modern Filtration Plant

By James G. Fernald

A Unique Locomotive for South Africa

By F. C Coleman

Results of the Hill-Climbing Contest at Mount Washington

A New Game of Table Billiards

A New Method of Hanging Window Sashes

An Improved Pipe Wrench

Business and Personal Wants - July 29, 1905


  • Departments

    The Heavens in August - July 29, 1905

  • Correspondence - July 29, 1905

  • Recently Patented Inventions - July 29, 1905

  • Notes and Queries - July 29, 1905

  • New Books, Etc. - July 29, 1905

  • Index of Inventions - July 29, 1905

  • Patents - July 29, 1905

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis