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Metallic Roofing

Uses of Woolen Rags

Notes on Military and Naval Affairs

Armstrong's Great Gun Broken

On Force-Laws of Motion

Sewing Machines in England

White's Artificial Leg

Physical Laws--Changes in Bodies

Fresh Bread--Coarse and Fine for the Army

Alden's Type Setting Machine

The Steam Wagon in the Far West

Miscellaneous Summary

The New Comet

Successful Recruiting at the Scientific American Office

Steam on City Railroads

Census Statistics of 1860

Patent Claims

Recent American Inventions - August 23, 1862

Patents for Seventeen Years

Rates of Advertising

Important to Inventors

To Our Readers

The Cheapest Mode of Introducing Inventions

Prospectus of the Scientific American

Valuable Receipts


  • Letters

    Correspondence - August 23, 1862

  • Departments

    Notes and Queries - August 23, 1862

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August 23, 1862