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SA Supplements Vol 42 Issue 1078supp

SA Supplements

Volume 42, Issue 1078supp

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Features

The Gorilla

The Law which Underlies Protective Coloration in Animals

Mosquitoes and Fleas

The Foldings of the Rocks

J. Logan Lobley

Recent Deep Sea Dredgings

The use of Oxalic Acid in Preserving the Color of Dried Plants

J. Henry Schroeder

Gigantic Trees

Betel Chewing

Rodney H. True

Past and Present Tendencies in Engineering Education

Mansfield Merriman

Lautenschlager's New Revolving Stage

The Origin of Pneumatic Tires

Dr. Booth's Motor Cab in Completed Form

Electro Deposition of Nickel

J. Warren Hartley

Selected Formulæ

Engineering Notes

Miscellaneous Notes

Electrical Notes

Nansen's Achievements

The Alpine Afterglow

The Bridges-Lee Surveying Camera

Ernst Curtius

$250 Prize Essay Competition—The Progress of Invention during the past Fifty Years

A. Malcolm

Recent Applications of Acoustics to Medicine

Patents!

Mediæval Military Surgery