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Features

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

The Madonna of San Antonio

Calcareous Clay Agglomerates Prepared

By M. Meurer

Method of Killing Animals at Paris Pound

Railway Motor Car Service in Europe

The Polar Rays of the Corona

By Walter Maunder

Apparatus for Drawing Curves

The Naming of our War Vessels

Ozone for Water Sterilization

Electric Railways

Polyphase System

By Major P. Cardew

German Railroad Troops Building a Bridge

The Mechanical Handling of Baggage

Treasures of the Indies

Imports of Japan

Trade with the Tropics

Evolution of Heat on Wetting Powders

By M. Bellati

The Ventilation of Dark-Rooms

By W. F. Watson

Gazetteer of Cuba

Process for the Manufacture of Complex Organic Compounds of Chromium Oxide

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

By William T. Hornaday *amp*Dagger;

Permanganate of Potash for the Vine §

Bituminous Cupric Sulphate for the Vine ‡

Trade Suggestions from United States Consuls

Patents!

Trade Notes and Recipes

Departments

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    March 08, 1902

    20% off for Memorial Day