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Features

A New German Military Balloon

High Speed on Railways

By W. H. Weston

Holding Power of Brakes at High Speed

The Influence of Circulation on Evaporative Efficiency of Water Tube Boilers

By John I. Thornycroft

Methods of Mine Timbering

Overhand Stoping

By W. H. Storms

Electric Transmission of Power for Mining Purposes

High Speed Vertical Engines

The Italian Navy

The Automatic Steering Compass

The Evolution of the Workshop

By C. John Hexamer

An Approximate Method for Dividing Angles or Arcs

By 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

On the Chemistry of Coal Formation

By J. W. Thomas

The Ptomaines Formed during Putrefaction

By C. A. Mitchell

Chemistry at the British Association

Refining of Carbon Bisulphide

By J. Farbaky

A New Form of Air Bath

By E. Sauer and J. Amer

The Alkaloids of Cod Liver Oil

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

By F. M. Lyte

Flames in Foul Air

Dropping Flask for Standard Solutions

By F. Vanderpoel and J. Amer

The Cholera in Russia

The Thyroid and the Pancreas

Tea and its Effects

By James Wood

The Spectroscope and some of its Applications

The Spectra of the Elements

By J. E. Keeler

Antimony and Bismuth in Bolivia

The Antwerp Exhibition

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    September 22, 1894

    Think Outside the Gift Box