SA Supplements Vol 14 Issue 339supp

SA Supplements

Volume 14, Issue 339supp

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Features

The Jeannette Expedition

Trial Trip of the New Steamer Queen of the Pacific

Improved Gas Making Apparatus

The Ventilation of the St. Louis Tunnel

The “Pilsen” Electric Light Arc Lamp

Henry F. Joel

Electric Lighting Applied to Navigation

Herz's Telephone Trumpet

Silico Copper Wire

Lightning.—Look out for It

Coating Paper with Photographic Preparations

Photo Jottings

J. Waterhouse

An Examination of the Various Methods of Determining Tannic Acid

Nelson H. Darton

The Late M. Poitevin

A New Method of Preparing Iodide and Bromide Emulsion

Peroxide of Hydrogen

P. Ebell

Earth Metals Contained in Samarskite

H. E. Roscoe

On the Electrolysis of Sulphate of Copper

Digestibility of Coffee and Sugar

The Chemical Action of Light

J. M. Eder

Tripolith and Artificial Sandstone

The Relation of Food to Muscular Work

W. B. Carpenter

Telopea Speciosissima

Friedrich Mohr's Theory of the Formation of Coal from Marine Algæ

Travels of Plants

New Zealand Fungus

Vines

J. T. Stewart

Prehistoric Knives

Departments

Patents