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Features

The German Battleship “Kaiser Barbarossa”

High Buildings and Wireless Telegraphy

Zinc Oxide

Practical Formulas for its use in the Arts

The uses of Spun Glass

A Gasoline Railroad Inspection Car

An Interesting English Experiment

Soaring Flight

Models for its Mechanical Investigation

By Marcel Deprez

Rating an Automobile Engine

Determining Horse-Power from the Cylinder Dimensions

By Thomas L. White

The Synchronous Condenser

Money and Money-making Machinery

How the Intricate Designs of Bank Notes are Produced

By Claude E. Holgate

A New Lecture Experiment—the Barometer

By Will C. Baker

New Chemical Discoveries

Room Disinfection

A New and Efficient Method

By W. B. Mclaughlin

The Sudden Disappearance of Pain

An Automatic Heat Regulator

A Device Based on a New Principle

How Long it Takes a Tree to Grow One Inch

What the Ancient Greeks Were Really like

By James Rignall Wheeler

The Minotaur

A Curious Beetle That Lives in Sandy Pastures

By Henri Coupin

Strange Forms of the Setting Sun

Trade Notes and Formulæ

Engineering Notes

Science Notes

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