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The Type Writer

Glacial Action in South America

The Annual August Shower of Meteors

The Patent Office Gazette

Postage Stamp Holder

Improved Seed Cleaner for Thrashers

Automatic Fan

A Musical Barometer

The British Monitor "Glatton"

Improved Sheet Iron Roofing

Rotary Pressure Blower

Because I Am So Lazy

The New Manhattan Market

Spontaneous Combustion

Look out for the Meteors

Cosmical Causes of Changes of Climate

Canal Boat Towing by Road Steamers

Bright's Disease

The Black Rock Bridge over the Niagara River

The Amanians

Steamship Notes

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

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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August 10, 1872