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Susini's Ether Engine

The Forging Press

By W. D. Allen

The Ship Canal between the North Sea and the Baltic

Rope Ascending Apparatus

Master Car Painters' Convention

The New York Salt Industry

Orthochromatic Collodion Emulsion

The “Book” Photographic Apparatus

Ancient Presses

The Molecular Process in Magnetic Induction

By J. A. Ewing

The First Telegraph Message

Theory of the Wimshurst Machine

By M. G. Pellissier

The Mineral Resources of New South Wales

By C. S. Wilkinson

Stilt Walking

The First Trip through Big Horn Canon

By E. Gillette

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

By G. G. Moor

Preparation of Hydrogen

The Separation of Rosin from Fatty Acids

By E. Twitchell

Production of Hydrogen

By V. B. Lewes

Building Plans and Specifications

Chestnut Wood Tannin

By Henry Trimble

Useful Engineering Books


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November 14, 1891

Of Shamrocks and Science

Happy St. Patrick’s Day