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The Central Telegraph Office, Paris

A Basis from which to Calculate Charges for Electric Motor Service

By H. C. Lufkin

War Ships of the Future

The Solomiac Torpedo Net

Covered Reservoirs

By Chas. H. Swan

On Variable Load, Internal Friction, and Engine Speed and Work

By Robert H. Thurston

Shrinkage Allowance for Railway Tires

On the Propulsion of Ships by Air Propellers

By H. C. Vogt

Photographic Objectives

Facts and Fallacies Regarding Them

By Edward Bausch

A New Planimeter

On a New Sphere Planimeter.*

By Hele Shaw

The History of a Scientific Doctrine

By S. P. Langley

Irish Flax Culture

By H. Monie

The Emin Pasha Relief Expedition

A New Catalogue of Valuable Papers

Useful Engineering Books

Building Plans and Specifications


  • Departments

    Patents - November 3, 1888

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