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Features

Improved Fulling Mill

Proceedings of the National Academy of Sciences

Dangerous Houses

The Coming Arctic Expeditions

The Antiquity of Life

Schools of Observation

Deadly Ballooning

The Laws of Storms

Patent Litigation in England and the United States

Engine Valve Motion

Improved Chisel Tooth Saw

Improved Attachment for Injectors

Stewart's Improved Stove Damper

Improved Turpentine Tool

Scientific and Practical Information - May 22, 1875

Practical Mechanism

By Joshua Rose

Improved Skein Setter

Improved Yarn Spooler

The Death's Head Moth

The Scorpion Fly

Car Axles and Couplings

Recent American and Foreign Patents - May 22, 1875

Communications Received - May 22, 1875

Departments

  • Letters

    Correspondence - May 22, 1875

  • Departments

    Business and Personal - May 22, 1875

  • Notes and Queries - May 22, 1875

  • Index of Inventions - May 22, 1875

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May 22, 1875

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