SA Supplements Vol 86 Issue 2227supp

SA Supplements

Volume 86, Issue 2227supp

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Features

Co-Ordination in Munition Work

A Study of Output Under British Conditions

The Importance of the Non-Metallic Inclusions in Steel

The Carbone Method for Retting Textile Plants

Military Searchlights

Switzerland Connected to the Mediterranean

Hardening Copper

Bad Bromides

Plant or Animal?

S. Leonard Bastin

Modern Aeronautics—II

A Review of Some Outstanding Problems

W. F. Durand

The Katanga Railway

Mechanotherapy to Aid Injured Soldiers

Photographic Action of X-Rays

Electricity Recovering from Electric Traction Lines

Cotton Seed Products and the Chemical Industries

Erwin R. Thompson

A Souvenir of James Watt

The Gelation of the Natural Emulsoids

A Subject Which Has Long Been a Matter of Controversy

S. C. Bradford

Pitch as a Fuel

The Photographic Spectra of Aerolites

The “Grain” of Wood

With Reference to Direction of Fibre

Arthur Koehler

Rain, Wind and Cyclones

Timber for Construction

The Life of Insects in the Primary Era

A Study of Certain Fossil Remains In France

August Lameere