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SA Supplements Vol 50 Issue 1303supp

SA Supplements

Volume 50, Issue 1303supp

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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

Carl Hering

Selection and Management of an Automobile Vehicle

New Sewer Trench Steam Shovel

Elephant Hunting

The Great Sea Serpent of the Garden of Acclimatation

The November Meteors

Driftwood

Decomposition of Nitric Ethers and the Relative Stability of Explosive Substances

The Reducing Action of Denitrifying Bacteria

G. Ampola, C. Ulpiani

A Pocket Chronophotographic Apparatus

The Linde Process of Manufacturing Liquid Air

New and Simple method of making Telescopic Objectives

Edmund M. Tydeman

How the Pyramids were Built

The Present Condition of the Indigo Industry

Trade Suggestions from United States Consuls

Trade Notes and Receipts

Patents!