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Features

Paget's New Warp Weaving and Knitting Machine

The Corrosion and Fouling of Steel and Iron Ships

By V. B. Lewes

Wooden Pavements in Paris

Radii of Curvature Geometrically Determined

XI. The Hyperbola

By C. W. MacCord

Tractive Force of Leather Belts on Pulley Faces

By Scott A. Smith

On the Security against Disturbance of Ships' Compasses by Electric Lighting Appliances

By W. Thomson

Windmill for Producing Electric Light at Cape De La Heve

On the Influence of Gas and Water Pipes in Determining the Direction of a Discharge of Lightning

By Henry Wilde

Sibley College Lectures.—1888-89

By the Cornell University Non-Resident Lecturers in Mechanical Engineering

By Frank J. Sprague

Silver Prints on Rough Drawing Paper

Jenner and Vaccination

The Constitution of Celestial Space

The New Pilatus Railway

Building Plans and Specifications

Useful Engineering Books

Magnetic Storms and their Astronomical Effects

Departments

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    Patents- August 10, 1889

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August 03, 1889

Beyond XX and XY

Biology. Identity. Equality.