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Features

The Leather Turtle

By John Ford

The Ostrich Parks of Algiers

Geography

By Clements R. Markham

The Age of Ice

By H. B. Norton

The Beginning and End of the Worlds

By Camille Flammarion

A New Meteorite

The South Pass Jetties

Notes on the Consolidation and Durability of the Works, with a Description of the Concrete Blocks and other Constructions of the Last Year

By Max E. Schmidt

How to Explore for Minerals

Compound Marine Engine

New Marine Railway

Mackenzie's Screw Propeller Assistant

Acoustical Fire-Damp Detecter

By George Forbes

A New Rheometric Gas Burner

The Theory of Roller Milling

The Miller, from Gustav Pappenheim's “Popular Treatise on Milling”

An Improved Gas Blowpipe

By F. H. Wenham

Measuring Devices

On a Galvanometer for Demonstrating the Internal Current Transmitted through the Liquid within a Voltaic Cell

By Conrad W. Cooke

Saponine from the Bark of Quillaia Saponaria

By H. Collier

Gaiffe's New Battery

Density of Chlorine at High Temperatures

By A. Lieben

On the Dissociation of Chlorine

By F. P. Dunnington

The Currents of Ampere, and on Residual Magnetism

By M. Treve

Detection of Phenol

On the Presence of Nitrogen in Steel

By Alfred H. Allen

The Finest Diamonds in the World

Anhydrous Air as a Therapeutic Agent

By G. A. Keyworth

Fermentation and Putrefaction of Mil

By T. J. Burrill

Cements for the Teeth

Curious Foods

A New Food for Cattle

Standard Requisites for Poultry

Hay as Food for Hogs

Large Flocks Profitable

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