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Duplex Wheel Lathe

Improved Flanging Machine

The Keely Motor Deception

The Trustworthiness of the Senses

Recent Improvements in Glass Manufacture

The Natural History of Swindles

The Planetary Atmospheres - July 10, 1875

Engine for Blooming Mill Use

Improved Rope Socket

Baldwin's Rotary Hand Stamp

Nessle's Street Railway Rail

A New Gas Blowpipe

Astronomical Notes - July 10, 1875

Scientific and Practical Information - July 10, 1875

Practical Mechanism - July 10, 1875

By Joshua Rose

Improved Dashboard

Improved Gang Plow Spring

Model Residences

Bullets, Cannon Projectiles, and Cartridges

Recent American and Foreign Patents - July 10, 1875

Communications Received - July 10, 1875

Canadian Patents - July 10, 1875


  • Departments

    Correspondence - July 10, 1875

  • Business and Personal - July 10, 1875

  • Notes and Queries - July 10, 1875

  • Index of Inventions - July 10, 1875

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Lifestyle Changes. Lifetime Benefits.

Lifestyle Changes. Lifetime Benefits.

A New Outlook for Old Age