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The Trial of the Marconi Telegraph at Spezia

Sectorless Wimshurst Machines

By S. M. Keenan

Description of a Closing Tow Net, for Submarine use at all Depths

By C. H. Townsend

Moisture in Coal

Underground Photography

A Rapid Method for the Determination of Silicon in Silico-Spiegel and Ferro Silicon

Cold saw for Crank Webs

Aluminum in Knitting Machinery

By George D. Rice

Perpetual Motion.—II

The Stockholm Exhibition

The New Russian Church at Karlsbad, Bohemia

The Subsistence Question in the Klondike Region

Edward Drinker Cope, Naturalist

Address by Sir John Evans

K.C.B., D.C.L., LL.D., Sc.D., Treas. R.S., V.P.S.A., For. Sec. G. S.Correspondant de l'Institut de France, etc.; President of the British Association for the Advancement of Science.!

Alpinia Nutans

The Science of Humanity

The Science of Animal Man

By W. J. McGee

Preservation of Fresh Grapes and Seed Potatoes in Italy

Consul-General Jones writes from Rome, June 24, 1897

Electrical Notes

Selected Formulæ

Miscellaneous Notes

Electrification by Uranium


Ultimate Optical Efficiency


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    September 04, 1897