SA Supplements Vol 7 Issue 167supp

SA Supplements

Volume 7, Issue 167supp

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Features

The Cork Oak

The Phylloxera

The Apple Tree Borer Remedy

The Largest Flower in the World

Fertilization of the Queen Bee

T. B. Miner

Sponge-Borings in Marble

The Pith Plant

Cure of Facial Neuralgia

Interesting Dental Operation—Philadelphia Dental College, Department of Oral Surgery

J. E. Gahretson

Cows and their Butter

Dentition

The Electric Light

J. T. Sprague

The Mirror of Japan, its Magic Quality

Salt Mine Illuminated by Electric Light

An Economical Arrangement of the Callaud Battery

John Morgan

The Walled Lake in Iowa

Sun Engine

Krupp's Heavy Guns

The ore Deposits of Leadville, Colo

Carl Henrich

Recipes for Dyeing

N. Spencer Thomas

Cotton Yarn Dyeing

Wool Dyeing

The Silk Industry of Northern Italy

E. T. Blakely

How to Make Photo Printing Plates

T. Bolas