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Savorgnan De Brazza

M. De Brazza's Explorations in Equatorial Africa

The Utilization of Waste

By P. L. Simmonds

Launch of a Channel Steamer

English and American Locomotives

The Commercial Museum of Brussels

The Screw Propeller

On the Limiting Numbers of Teeth for Spur Wheels

By C. W. MacCord

Chemigraphic Engraving

Specification of Organ at Temple Church, London


Pictures in Glass

English Ideas of American Architecture

Das Telephon

Messrs. D'Arsonval and Bert's Micro-Telephone Apparatus

The Electric Arc in Vapor of Sulphuret of Carbon

Secondary Battery

Photometric Measurements

Approximative Photometric Measurements of Sun Moon, Cloudy Sky, and Electric and Other Artificial Lights

By William Thomson

Small Incandescent Lamps

Electromotive Force

Patent (Concentrated) Essential Oils

Apparent Radiation of Cold

Plagues and Pestilences

Surface Temperatures in Paris

Production of Low Temperatures

Coating Pills with Gelatine

By Clay W. Holmes

Asparagus on the French System

Notes on Asparagus

Broad Beans

Orange Tree Scale

New Mineral Localities

By R. T. Cross


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