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SA Supplements Vol 62 Issue 1595supp

SA Supplements

Volume 62, Issue 1595supp

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Features

Details of the Grand Prix Racing Cars

By the Paris Correspondent of Scientific American

Sand for Mortar and Concrete

Sanford E. Thompson

The Time of Discharge in a Crookes Tube

High-Speed Motor Boats

James A. Smith

Contemporary Electrical Science

Measurement of Resistance

Summer Lepidoptera

H. Dollman

Insecticides: Their Preparation and Use

Utilization of Gas from Suction Producers

Oskar Nagel

A Methodical Experimental Study of the Aeroplane

Victor Tatin

A New theory of Erect Vision

Abb*amp*eacute; Noguier De Malijay

Some Astronomical Consequences of the Pressure of Light

Electrical Notes

Science Notes

Engineering Notes

Trade Notes and Formulæ