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Features

Terrible Explosion of Acetylene in Paris

Tools in Ancient Greece

Preserving small Skins

Turbo-Electric Generators for Alkali Works

The First Bicycles

The Strong Locomotive of 1889 and 1896

Selected Formulæ

Electrical Notes

Engineering Notes

Miscellaneous Notes

The Fair Haven and Westville Railroad Plant

The Proposed New York underground Road

The Verdin Sphygmometrograph

Some Effects of the X Rays on the Hands

By S. J. R.

The Products of Mexico

Mystery of Ambergris

Types of Bolivian Indians

The More Important Insects Injurious to Stored Grain

The Saw-Toothed Grain Beetle

Mysterious Towers

Patents!

The Oldest College in the World

Ludgate Monthly

How to find a Given Direction without a Compass

Departments

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