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The Little Monitor Sewing Machine

A Woman's Work for Science

The Scientific American Supplement

The Patent Office Appropriation

Street Telegraph Lines

Free Passes at the Centennial

The Practical Uses of the Spectroscope

The Industrial Uses of Asbestos

Improved Electro-Magnetic Dental Engine

New Process of Preserving Wood

Improved Process of Capsuling Medicaments

Improved Leather and Cloth Enameling Machine

Estimating the Value of Bone Black

By F. L. Bartlett

Practical Mechanism - April 22, 1876

By Joshua Rose

Improved Grain Cleaner

Miller's Improved Hose Carriage

Improved Method of Obtaining Water

The Filamentous: Gurnard

The Red Fire Fish

Recent American and Foreign Patents - April 22, 1876

The Horticultural Hall at the Centennial Exhibition

New Agricultural Inventions - April 22, 1876

New Woodworking and House and Carriage Building Inventions

New Mechanical and Engineering Inventions - April 22, 1876

New Household Articles - April 22, 1876

Communications Received - April 22, 1876


  • Letters

    Correspondence - April 22, 1876

  • Departments

    Business and Personal - April 22, 1876

  • Notes and Queries - April 22, 1876

  • Index of Inventions - April 22, 1876

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April 22, 1876

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