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Features

Direct Connected Railway Generators

Contemporary Electrical Science

The Origin and Progress of Scientific Societies

Clay-Working Machinery at the Paris Exposition

The Paris Exposition of 1900

By Carl Hering

New Sewer Trench Steam Shovel

Selection and Management of an Automobile Vehicle

Elephant Hunting

The Great Sea Serpent of the Garden of Acclimatation

The November Meteors

Decomposition of Nitric Ethers and the Relative Stability of Explosive Substances

The Reducing Action of Denitrifying Bacteria

By G. Ampola and C. Ulpiani

Driftwood

A Pocket Chronophotographic Apparatus

The Linde Process of Manufacturing Liquid Air

New and Simple method of making Telescopic Objectives

By Edmund M. Tydeman

How the Pyramids were Built

The Present Condition of the Indigo Industry

Trade Suggestions from United States Consuls

Patents!

Trade Notes and Receipts

Departments

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    December 22, 1900

    Think Outside the Gift Box