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Driving on Tyres by Hydraulic Pressure

Improved Compound Steam Boiler

The Right to Interfere

The Secret of Spring Weather

Two Views of the Voyage of Life

Climate of the Ice Age

Grasshopper Inventions Wanted

The Iron Horse

Zimmerman's Hydro-Electric Lamp and Extinguisher

The Diseases of the Silk Worm

Curious Experiment in Instantaneous Crystallization

Improved Saw Gummer

Spar Torpedo Warfare

Household Hints.--I

Arctic Notes

Improved Elevator

Improved Bill File

The Birds of Brazil

English Gardens

Recent American and Foreign Patents - June 12, 1875

Communications Received - June 12, 1875


  • Letters

    Correspondence - June 12, 1875

  • Departments

    Business and Personal - June 12, 1875

  • Notes and Queries - June 12, 1875

  • Index of Inventions - June 12, 1875

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