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Improved Loom for Weaving Horse-Hair

History of the India Rubber Industry

Auriferous Exploitations of the District of Bogoslowsk(Ural)

Radii of Curvature Geometrically Determined

By C. W. MacCord

A Simple Chuck and Micrometer Stop for Amateurs

The New York Telephone Service

By Herbert Laws Webb

Alloy of Aluminum and Tin

Naval Warfare, 1860—1889, and some of its Lessons

By W. Laird Clowses

Annapolis Armor Trial

Meeting of the British Association, 1890

The Beginnings of Mathematics

By W. B. Richards

The Bridge of Prague

Peanuts: Their Growth and Culture

By J. S. Fowler

Action of the Chlorides of Calcium and Magnesium upon Cotton

Sulphonal, Paraldehyd and Chloral-Amide

A New Arrangement for use in Greenhouses

Bleaching with Sodium Hydro-Sulphite

By G. Dommergue

On the Coloring Reagents of the Fundamental Substances of Vegetable Membrane

By M. L. Mangin

Building Plans and Specifications

Useful Engineering Books

The Action of Sulphur Chloride on Oils, Etc

By Thomas T. P. Bruce Warren


  • Departments

    Patents!- October 18, 1890

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