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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

New Umbrella Support

Improved Platform Gear for Wagons

Apparatus for Disintegrating Vegetable Substances

The Demoiselle and Peacock Crane

Miscellaneous Inventions

Agricultural Inventions

Mechanical Inventions

Engineering Inventions


  • Departments


  • Recent Inventions

  • Business and Personal

  • New Books and Publications

  • Notes and Queries

  • Index of Inventions

  • Patents

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