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SA Supplements Vol 81 Issue 2109supp

SA Supplements

Volume 81, Issue 2109supp

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Features

Radiations from Atoms and Electrons—V

A Study of the Character of the Mechanism Within the Atom

J. J. Thomson

Regenerating Hydroquinone Developer

Airships: Rigid; Semi-Rigid and Non-Rigid

Some of the Internal Details of Vessels Now in Use

Earthquakes in California

New Enlarging and Projection Apparatus

Refraction and Accommodation in the Dog's Eye:—A Correction

H. M. Johnson

Aviation Sickness, Its Symptoms and Cure

The New York Zoological Park

One of the World's Most Notable Institutions

R. W. Shufeldt

“Pupinized” Telephone Lines

An Invention by Means of Which Telephone Conversations can be Carried on Over Long1 Distances

Francis B. Crocker

Some Characteristic Views in the Zoological Park New York

News in the New York al Park

Similar Park in the World, and and Reptiles is a Notable One

Science for the Home

Losses and Other Chemical Changes in Roiling Vegetables

Katherine I. Williams

Highly Phosphorescent Calcium Sulphide

The use of Clay Products in Domestic Building Construction

The Development of the Military Aeroplane

A Discussion of the Question of Size

F. W. Lanchester

Special Steels

With Particular Regard to Their Use in Motor Vehicles

Samuel I. Hoyt

The Utilization of Cull Citrus Fruits

Suggestions for Saving a Natural Product That Is Now Largely Wasted

F. Alex. McDermott

Engineers and the Law