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Features

A Solar Chronometer

The Centennial Buildings

Progress of Rapid City Transit

The Education of Sight

Some New Volcano Revelations

Scientific and Practical Information - September 11, 1875

Traube's Artificial Cells

Stealing Brains

Floating Fire Engines

Boring Bits

Improved Cooking Chamber

Improved Ornamental Molding Machine

Cochliostema Jacobianum

Mesembryanthemums

Theories of the Earth's Interior

Decisions of the Courts - September 11, 1875

Recent American and Foreign Patents - September 11, 1875

Canadian Patents - September 11, 1875

Communications Received - September 11, 1875

Departments

  • Letters

    Correspondence - September 11, 1875

  • Departments

    Business and Personal - September 11, 1875

  • Notes and Queries - September 11, 1875

  • Index of Inventions - September 11, 1875

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September 11, 1875

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