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Improved Revolving Blade Scroll Sawing Machine, Improved Carriage Hub, and more

The Application of Steam to Canals--No. 3

By George Edward Harding

Blowing Out of the East Caisson of the East River Bridge

Flying Machine

Vagaries of the Patent Office

New Expeditions to the Arctic Regions

Ice Shaving Machine

Dredging and Excavating Machine

Scientific Intelligence- June 24, 1871

Improvement of the Missouri River at St. Joseph, MO

Address of Professor Morse, at the Ceremony of Unveiling the Statue in Central Park New York

Boring and Mortising Machine

The Government of New York City

Re-Vaccination--Glycerin Lymph

Paine's Electro-Motor

Close of Another Volume

The Inauguration of the Morse Statue

The Last Six Months of Chemistry

The East River Bridge--Report of the Chief Engineer

Answer to Correspondents- June 24, 1871

Queries- June 24, 1871

Recent American and Foreign Patents- June 24, 1871

Official List of Patents- June 24, 1871

Issued by the U. S. Patent Office

Departments

  • Letters

    Correspondence- June 24, 1871

  • Recommended

    New Books and Publications- June 24, 1871

  • Departments

    Business and Personal- June 24, 1871

  • Index- June 24, 1871

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial