SA Supplements

November 1891

Volume 32, Issue 828supp

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Features

Susini's Ether Engine

The Ship Canal between the North Sea and the Baltic

The Forging Press

W. D. Allen

Rope Ascending Apparatus

Master Car Painters' Convention

The New York Salt Industry

Ancient Presses

Orthochromatic Collodion Emulsion

The “Book” Photographic Apparatus

The Molecular Process in Magnetic Induction

J. A. Ewing

The First Telegraph Message

Theory of the Wimshurst Machine

M. G. Pellissier

The Mineral Resources of New South Wales

C. S. Wilkinson

Stilt Walking

The First Trip through Big Horn Canon

E. Gillette

A New Method for the Disposal of Sewage, with some References to Schemes now in Use

G. G. Moor

The Separation of Rosin from Fatty Acids

E. Twitchell

Production of Hydrogen

V. B. Lewes

Preparation of Hydrogen

Useful Engineering Books

Chestnut Wood Tannin

Henry Trimble