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The Type Writer

Glacial Action in South America

The Annual August Shower of Meteors

A Musical Barometer

Postage Stamp Holder

Automatic Fan

Improved Seed Cleaner for Thrashers

The Patent Office Gazette

The British Monitor "Glatton"

Rotary Pressure Blower

Improved Sheet Iron Roofing

Canal Boat Towing by Road Steamers

Cosmical Causes of Changes of Climate

Look out for the Meteors

Because I Am So Lazy

Spontaneous Combustion

The New Manhattan Market

The Amanians

Letter from Professor R. H. Thurston - August 10, 1872

The Black Rock Bridge over the Niagara River

Bright's Disease

Steamship Notes

Scientific and Practical Information - August 10, 1872

Recent American and Foreign Patents - August 10, 1872

New Patent Law in Canada - August 10, 1872


  • From the Editor

    Answers to Correspondents

  • Letters

    Correspondence - August 10, 1872

  • Recommended

    New Books and Publications - August 10, 1872

  • Departments

    Business and Personal - August 10, 1872

  • Notes and Queries - August 10, 1872

  • Index of Inventions - August 10, 1872

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