SA Supplements Vol 30 Issue 772supp

SA Supplements

Volume 30, Issue 772supp

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Features

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

C. W. MacCord

A Simple Chuck and Micrometer Stop for Amateurs

The New York Telephone Service

Herbert Laws Webb

Alloy of Aluminum and Tin

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

W. Laird Clowses

Annapolis Armor Trial

Meeting of the British Association, 1890

The Bridge of Prague

The Beginnings of Mathematics

W. B. Richards

Peanuts: Their Growth and Culture

J. S. Fowler

On the Coloring Reagents of the Fundamental Substances of Vegetable Membrane

M. L. Mangin

Action of the Chlorides of Calcium and Magnesium upon Cotton

Bleaching with Sodium Hydro-Sulphite

G. Dommergue

Sulphonal, Paraldehyd and Chloral-Amide

A New Arrangement for use in Greenhouses

The Action of Sulphur Chloride on Oils, Etc

Thomas T. P. Bruce Warren

Building Plans and Specifications

Useful Engineering Books

Departments

Patents!- October 18, 1890