SA Supplements Vol 64 Issue 1665supp

SA Supplements

Volume 64, Issue 1665supp

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Features

Mica

The Deposites of the United States

Douglas B. Sterrett

The World's Greatest Weather Bureau

Water in Granite

Gas Engine Valves

E. F. Blair

Photographic Sensitiveness

How Plates are Tested

Alfred Gradenwitz

Infusorial Earth Waste

Concentrating Ore by Oil

A Description of the Elmore Process. By the English Correspondent of the Scientific American

The Development of Armored War Vessel.—XIV

Armor Plating in the United States

J. H. Morrison

Apparatus for Dip-Needle Demonstration

Willard R. Pyle

Building a Transatlantic Liner

The “Kronprinzessn ceclie” By the Berlin Correspondent of the Scientific American.

Various Methods of Recovering Rubber from Waste

Verde-Antique Finish

Its Rapid Production and Method of Obtaining the Various Shades

Increasing the Boiler Capacity

How a Plant Should be Inspected

George P. Pearce

The Audion.—I

A new recever for wireless telegraphy

Lee De Forest

The Eucalypts of Australia.—I

Recent Work on the Eucalypts

Henry G. Smith

Birds that Kill Snakes

W. G. Fitzgerald

Engineering Notes

Science Notes