SA Supplements Vol 84 Issue 2173supp

SA Supplements

Volume 84, Issue 2173supp

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Features

The Complexity of the Atom

Considered from Both a Chemical and a Physical Point of View

F. Soddy

A Highly Sensitive Electrometer

A. L. Parson

Economic Ship Building

Clearing the Way for an Advance

Disappearing Guns for Submarines

A Method Devised in France for Operating

Louis Dayral

Hydrated Lime

Every Man a Leader

Notes on the Psychology of Leadership

George Van Ness Dearborn

New Colorants from Methylene Blue for Microscopic Specimens

Ancient Rock Carvings in Sweden

“Iron-Stemmed” Carnations

Growing Improved Varieties in Paris

Jaques Boyer

Iris Perfume Industry in France

Deterioration of Refractory Materials in the Iron and Steel Industries

An Emergency Ration

New Antiseptics

The “Spin” in Aeroplane Flying

Chemical Reactions of Iron Smelting

A Review of Processes as Carried On Today

Walther Mathesius

Aluminium

A Material for Ships' Propellers

The Cathode Ray Tube and its Applications

Methods of Construction, and Use as an Oscillograph and as a Wattmeter

M. E. Tressler

Observations on the Friedel-Crafts Reaction

The Fermentation of Indigo

Radio-Active Luminous Paints

Substances That Are Being Found of Value During the War

H. J. Keane

The Oil Fields of the Apsheron Peninsula

Richest Lands in the World Contained Within Russia'S Barren Promontory

Experiments with Paper Tubes