SA Supplements Vol 38 Issue 977supp

SA Supplements

Volume 38, Issue 977supp

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Features

A New German Military Balloon

High Speed on Railways

W. H. Weston

Holding Power of Brakes at High Speed

The Influence of Circulation on Evaporative Efficiency of Water Tube Boilers

John I. Thornycroft

Methods of Mine Timbering

Overhand Stoping

W. H. Storms

Electric Transmission of Power for Mining Purposes

The Italian Navy

High Speed Vertical Engines

The Automatic Steering Compass

The Evolution of the Workshop

C. John Hexamer

An Approximate Method for Dividing Angles or Arcs

Max Lowenthal

A Simple Enlarging Process

The Development of Gelatine Aristo Prints

Revolving Photographic Studio

Methods of Constructing Chimney Flues and Pipes at Paris

The New Gas

The Ptomaines Formed during Putrefaction

C. A. Mitchell

On the Chemistry of Coal Formation

J. W. Thomas

Chemistry at the British Association

Refining of Carbon Bisulphide

J. Farbaky

Improvements in the Production of Chlorine and Refined Lead and Recovery of Silver

F. M. Lyte

The Alkaloids of Cod Liver Oil

Dropping Flask for Standard Solutions

F. Vanderpoel, J. Amer

A New Form of Air Bath

E. Sauer, J. Amer

Flames in Foul Air

The Cholera in Russia

The Thyroid and the Pancreas

Tea and its Effects

James Wood

The Spectroscope and some of its Applications

The Spectra of the Elements

J. E. Keeler

Antimony and Bismuth in Bolivia

The Antwerp Exhibition