<  Back to Archive
SA Supplements Vol 61 Issue 1574supp

SA Supplements

Volume 61, Issue 1574supp

You are currently logged out. Please sign in to download the issue PDF.

Features

Precious Stones in 1904

George F. Kunz

The Coal Resources of Japan

Granite Quarries

Gold Molecules in the Solid State

G. T. Beilby

Analogies between Light and Electric Waves.—Braun's Experiments

A New Railway Bumping Post

Early Ethnology

A New Gas Burner

Benjamin Franklin, the First American Heating and Ventilating Engineer

The Safeguarding of Life in Theaters

American Shipbuilding

Degreasing Wool

Simple Photographic and Photo-Micro-Graphic Apparatus

A Modern Testing Plant for Gasoline Automobile Motors

Alfred Gradenwitz

Problem of a Broken Axle

Specifications of Material used in High-Speed Automobile and Motor-Boat Engines

Thomas J. Fay

Steel for Reinforced Concrete

A. L. Johnson

Electrical Conductivity and Reflecting Power of Carbon

Contemporary Electrical Science

Transmission of Electrical Energy from Sweden to Denmark

Wood Distillation

Venomous Animals

Food in its Relation to Teeth, their Sockets and Adjacent Structures

A. W. Harlan

Science Notes

Electrical Notes

Engineering Notes

Trade Notes and Formulæ