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The East India Frontier Troubles

A Two Weeks' Trip with Eskimo Dogs

By Jervois A. Newnham

The Grotto of La Balme

The Beginnings of American Astronomy

Hibiscus Manihot

The Caprices of Orchids

Electrical Notes

Miscellaneous Notes

Engineering Notes

The Trans-Siberian Railway

The Deterrent Influence of Modern Arms

By O. O. Howard

The Worship of Meteorites

American made Machine Tools

Mill Set in Motion by an Ox or Horse

The Kalamazoo Carrycycle

New Gasoline Motors

Paddle Engines with Joy Gear

The Bridges-Lee Photo-Theodolite

On Gambier-Fluorescin and Gambier- Catechu Red

By Karl Dieterich

Labels for Dry Plates

Method of Producing Incandescent Mantles

Detection of Tar Dyestuffs in Claret

The Chime at St. Germain L'auxerrois


Selected Formulæ


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