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The Viaduct at the Falls of St. Anthony

By H. C. Hovey

America a Huge "Jelly Fish"

Progress in Exactness

Value of Inventions to the World

The Triple Thermic Motor

Prospects of the Patent Bills

Decisions Relating to Patents - March 15, 1884

Patents and Politics

Improved Knife Scourer

Improved Lock and Latch

The Remington Horse Power Fire Engine

The Electric Diadems of the New Ballet "La Farandole"

Dujour and Bianchi's Single Axle Windlass

Petroleum at Baku

The Ornithorhynchus

(Ornitlwrhynchus paradoxus.)

By L. P. Gbatacap

Improved Music Leaf Turner

Improved Pail

Improved Rotating Sample Stand

Mechanical Inventions - March 15, 1884

Miscellaneous Inventions - March 15, 1884

Special - March 15, 1884

Agricultural Inventions - March 15, 1884

Engineering Inventions - March 15, 1884


  • Letters

    Correspondence - March 15, 1884

  • Recommended

    New Books and Publications - March 15, 1884

  • Departments

    Business and Personal - March 15, 1884

  • Notes and Queries - March 15, 1884

  • Index of Inventions - March 15, 1884

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Lifestyle Changes. Lifetime Benefits.

Lifestyle Changes. Lifetime Benefits.

A New Outlook for Old Age