SA Supplements

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

A Simple Chuck and Micrometer Stop for Amateurs

The New York Telephone Service

Alloy of Aluminum and Tin

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

Annapolis Armor Trial

Meeting of the British Association, 1890

The Bridge of Prague

The Beginnings of Mathematics

Peanuts: Their Growth and Culture

On the Coloring Reagents of the Fundamental Substances of Vegetable Membrane

Action of the Chlorides of Calcium and Magnesium upon Cotton

Bleaching with Sodium Hydro-Sulphite

Sulphonal, Paraldehyd and Chloral-Amide

A New Arrangement for use in Greenhouses

The Action of Sulphur Chloride on Oils, Etc

Building Plans and Specifications

Useful Engineering Books

Patents!- October 18, 1890