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Automatic, Changeable Electric Signs

The Historic Development of the Art of Mosaic

Brace and Drilling Post

Russia's Industrial Development

By H. L. Geissel

Printing Machines at the Paris Exhibition

Registration of the Speed of Automobiles

The Magnin Pyrograph

The Education of a Shipbuilder

Ancient Bridges

Poisonous Plants which Grow within our Bodies, and how to Contend against Them

The Manufacture of Starch from Potatoes and Cassava

By Harvey W. Wiley

Soldering Aluminium

By Joseph A. Steinmetz

The Solubility of Substances used in the Oil and Color Industries

By Herbert Robson

Some Animals Exterminated during the Nineteenth Century

The Proper use of Sodium Nitrate as a Fertilizer

The Naval War Game

Mechanical Enameling of Iron

Situation of the Naphtha Industry in Russia

Trade Suggestions from United States Consuls

Trade Notes and Receipts


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March 23, 1901