SA Supplements Vol 65 Issue 1694supp

SA Supplements

Volume 65, Issue 1694supp

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Features

Fresh-Water Pearl-Button Industry

An Important American Industry

Axel Josephsson

Process of Making Creosote Oil

Friction of the Air

Skin Friction a Factor in Aerial Navigation

B. Baden-Powell

Oil Fuel for Ships

Ginseng in Newchwang

Hotbeds without Glass

A New Type of Sextant

A Novel Aid to Navigation

L. A. Freudenberger

Investigation of Illinois Petroleums

Composition for Preserving Furniture

Automatic Cab-Signaling on Locomotives

J. Pigg

Mathematical Prodigies

Many Examples of the Precocious

Frank D. Mitchell

Rust and Mildew

Annual Damage in the United states $500,000,000.

D. Finlayson

Turkish Mineral Springs

Hydrogen

Bread

A Scientific Discussion of the Staff of Life

A. E. Humphries

Italian flour Wafers

How the Earth is Warmed

How Conduction, Convection, and Radiation all Take Part

Poynting

Dr. Schlicik's Gyroscopic Apparatus for Preventing Ships from Rolling

M. Wurl

Modern Theories of Electricity and Matter

Marie Curie

Trade Notes and Formulæ

Science Notes

Electrical Notes