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Improved Dredging Machine

On Steam Boiler Inspection

By E. B. Marten

The Artisan in Prussia

The Application of Photography to Military Purposes

The Scarabæids

By Edward C. H. Day

Stone Sawing

The Southern Demand for Machinery

The St. Louis Bridge

A want in Locomotive Engineering

American Association for the Advancement of Science

The Millennium, or Something Like It

Craik's Practical American Millwright and Miller

The Analysis of Milk

Paraffine Industry

Height and Weight

Scientific Intelligence- September 3, 1870

$20,000 Bonus for a New Press

Divisibility of Matter and Size of Chemical Atoms

Enterprising Journalism

Answers to Correspondents- September 3, 1870

Recent American and Foreign Patents- September 3, 1870

Official List of Patents- September 3, 1870


  • Letters

    Correspondence- September 3, 1870

  • Recommended

    New Books and Publications- September 3, 1870

  • Departments

    Business and Personal- September 3, 1870

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