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Features

Angulated Principle of Shipbuilding, Improved Projectile

The War

Recent American Inventions

Howe's Army Scale

Information as to the Patentable Novelty of Inventions

Commissioners to the World's Fair

English Ignorance and Insolence

Science in the Schools

Single and Double Cylinder Engines

New Dummy Locomotive

High Pressure Engines in England

Patent Claims - October 12, 1861

Montgomery's Canteen

Departments

  • Letters

    Correspondence - October 12, 1861

  • Departments

    Notes and Queries - October 12, 1861

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October 12, 1861

Beyond XX and XY

Biology. Identity. Equality.