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Features

Prehistoric Ruins of Copan

Ice Breakers in Polar Exploration

By Edwin Swift Balch

Science Brevities

The Great Auk

By Georg Krause

Remedies for Snake-Bite: Scientific and Empiric

By A. W. Buckland

Berlin's Elevated Railway

The Lengthening Of H. M. S. “Hagen”

The Palace of the Armies of the Land and Sea at the Paris Exposition of 1900

Selected Formulæ

Trade Notes and Receipts

Combustion in Liquid Air

Trade Suggestions from United States Consuls

Cycle Novelties in England

Heavy Duplex Lathe

The Mclachlan Heavy Oil Motor

Factory Heating

The Weight of Air

A New Direct Current Generator

How to keep Warm in Cold Weather

Soap Powder

Patents!

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    March 24, 1900

    Scientific American Space & Physics