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SA Supplements Vol 46 Issue 1189supp

SA Supplements

Volume 46, Issue 1189supp

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Features

A New Field-Piece for the French Army

Black Print Processes

Albert E. Guy

The Spinning, Stamping, and Working of Aluminum and Brass Sheet

The Chimes of Saint-Germain-L'Auxerrois

The Ziegler-Hager Tacheograph

An Improved Felloe Polishing Machine

How to Read Gages

Pressure Gages—Glass Gages—Ascertain Contents of Tank—How Trouble Was Located

Alfred Siebert

Living Conditions of the Poor

Selected Formulæ

Electrical Notes

Engineering Notes

An Electric Suspension Railroad

Kangaroo Hunting in Queensland

Color Vision

The Development of Photography in Astronomy

Bamboos

Culture and Preparation of Orris Root

The Dangers of Acetylene

M. Ad. Bouvier

“The Neo-Occultism”

Inaugural Address by Sir William Crookes, F. R. S., V. P. C. S., President of the British Association

Musical Susceptibility of Animals

Nicolas Pike

Patents