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Improvement in the Ventilation of Railway Tunnels

English Patent Law Discussion

The Keely Motor Deception

Physical Life After Death

Centennial Trade Marks

The Use of Wire in Deep Sea Soundings

The Difference between Water and Nitro-Glycerin

Frozen Water in Bottles

Improved Elevator for Granular Matters


Practical Mechanism - August 7, 1875


By Joshua Rose

Brechbiel's Cigar Wrapper Knife

Seel and Shaw's Tweer for Smith's Use

Improved Rotary Rag Boiler

Coleman's Key Holder

The Russian Circular Ship

Decisions of the Courts - August 7, 1875

United States Circuit Court--Southern District of New York

Recent American and Foreign Patents - August 7, 1875

Canadian Patents - August 7, 1875

Communications Received - August 7, 1875


  • Letters

    Correspondence - August 7, 1875

  • Departments

    Business and Personal - August 7, 1875

  • Notes and Queries - August 7, 1875

  • Index of Inventions - August 7, 1875

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August 07, 1875

The Antidote to Anti-Intellectualism