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Features

The New Augmented Water Supply and Reservoirs for London

By the London Correspondent, Scientific American

Salable American Products for Germany

A Mediæval Treatise on Surveying

The Aurora, Elgin and Chicago Railway

The Pacific Cable

Grates for fine Fuel

Wonderful Old Men

Japanese Police and the Rats

The Conversion of Amorphous Carbon to Graphite

By Francis J. FitzGerald

A Newly Discovered Property of Aluminum

Direct Reduction of Oxides of Nitrogen by the Contact Process

Becquerel Rays and Radio-Activity

Becquerel Rays and Radio-Active Substances—New Researches

A Starch Gloss

The Life-History of Anopheles Maculipennis. (Meigen.)

(Meigen)

By Louis W. Sambon

Weather Superstitions

By Edwin G. Dexter

Aluminium and its Alloys

Congress for Protection against Hail in Lyons

Purification of Feed-Water for Locomotives

Brazilian Diamonds and Carbons

How to make a Water Motor

By R. E. Davall

Drawing a Parabola

A New Glass of Low Solubility

By G. E. Barton

The Cay-Cay, or Indo-Chinese Wax Tree

Old-Time Remedies for Snake Bite

Cobalt Weather Barometer

Improving on Nature

Trade Suggestions from United States Consuls

Selected Formulæ

Patents!

Trade Notes and Recipes

Departments

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    December 13, 1902

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