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Features

Renewal of Niagara Suspension Bridge

Chemical Action in a Magnetic Field

The Great Comet of 1881

Important Telephone Decision

Gamgee's Zeromotor

Wood Weaving

The Spread of the Carpet Beetle

Explosion of a Rolling Mill Boiler in Pottsville, Pennsylvania

By S. N. Hartwell

Improved Hoisting Apparatus

Lighting Gas by Electricity

Panel Decorations for Eaton Hall

Lubricants

Chemical Paradoxes

Firework Formulæ

Communication Received

Departments

  • Departments

    Correspondence - July 16, 1881

  • Business and Personal - July 16, 1881

  • Index of Inventions - July 16, 1881

  • Notes and Queries - July 16, 1881

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July 16, 1881

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