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Features

Blake's Compound Steam Pumps

The Observatory of the International Bureau of Weights and Measures

Exports of Manufactures

Petroleum for Light

Economy of Steam

Passage of the New British Patent Law

Scientific Shows--Sword Swallowers

Force Feed Lubricator

Improved Frying Pan

Device for Protecting Oil Tanks from Lightning

Rocker Seat Worker

New Balanced Slide Valve

Improved Platform Gear for Wagons

New Umbrella Support

Apparatus for Disintegrating Vegetable Substances

The Demoiselle and Peacock Crane

Miscellaneous Inventions

Agricultural Inventions

Engineering Inventions

Mechanical Inventions

Departments

  • Departments

    Correspondence

  • Recent Inventions

  • Business and Personal

  • New Books and Publications

  • Index of Inventions

  • Notes and Queries

  • Patents

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September 15, 1883

Confronting Common Wisdom