SA Supplements Vol 42 Issue 1090supp

SA Supplements

Volume 42, Issue 1090supp

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Features

Tools in Ancient Greece

Terrible Explosion of Acetylene in Paris

Preserving small Skins

Turbo-Electric Generators for Alkali Works

The First Bicycles

The Strong Locomotive of 1889 and 1896

Selected Formulæ

Miscellaneous Notes

Engineering Notes

Electrical Notes

The Fair Haven and Westville Railroad Plant

The Proposed New York underground Road

Some Effects of the X Rays on the Hands

S. J. R.

The Products of Mexico

The Verdin Sphygmometrograph

Mystery of Ambergris

Types of Bolivian Indians

The More Important Insects Injurious to Stored Grain

The Saw-Toothed Grain Beetle

Mysterious Towers

How to find a Given Direction without a Compass

Patents!

The Oldest College in the World

Ludgate Monthly