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Features

Submarine Telegraphy during War

The Battle of Velestino

A Coin-in-the-Slot Gas Meter

The Luciphore—For Distributing Ignited Matches

Pumping Engines for Rotterdam

A Sixty Pound Railway Inspection Car

Contributions to the Bibliography of Photography in Colors

By Thomas Bolas

The Moorish Castle at Cintra

The Mont Blanc Observatory

Tournament of Austrian Hussars

Statistics of the Coinage of France

Drunken Bees

Selected Formulæ

Electrical Notes

Miscellaneous Notes

Engineering Notes

On Charging Open Hearth Furnaces by Machinery

By Jeremiah Head

Coffee Growing in India

By F. A. Symons

Patents!

Raising Goldfish

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    June 12, 1897

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