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Sulphur in Coal

Transmundane Telegraph

Remedies Against the Curculio

“The Strongest Man in the World” Prostrated

Ozone--What it Is

An Old Telegraph Revived

Applications for Extension of Patents

Improved Shingle Machine

Wooden Shoe-Leather

Howe's Sewing Machine Patent in England

Plowing by Steam

Progress of Gas Lighting

Websters' Dictionary Illustrated

“Atlantic Science”

Special Notice


The Golden Humbug

Inflammable Iron

Wonderful Lighthouse Improvement

Canadian Patent Laws

Important to Inventors

American and Foreign Patent

Improved Lever Power

Astronomical Discovery

Bryant's Hydrant


  • Departments

    Notes and Queries

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