SA Supplements

March 1902

Volume 53, Issue 1366supp

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Features

Ten Years' Improvement of the Telephone and Telephone Service in New York

The Madonna of San Antonio

Apparatus for Drawing Curves

Railway Motor Car Service in Europe

The Polar Rays of the Corona

Walter Maunder

Method of Killing Animals at Paris Pound

Calcareous Clay Agglomerates Prepared

M. Meurer

The Naming of our War Vessels

Ozone for Water Sterilization

Electric Railways

Polyphase System

Major P. Cardew

German Railroad Troops Building a Bridge

The Mechanical Handling of Baggage

Trade with the Tropics

Imports of Japan

Treasures of the Indies

Gazetteer of Cuba

Evolution of Heat on Wetting Powders

M. Bellati

Process for the Manufacture of Complex Organic Compounds of Chromium Oxide

The Ventilation of Dark-Rooms

W. F. Watson

Notes on the Mountain Sheep of North America, with a Description of a New Species

William T. Hornaday *amp*Dagger;