SA Supplements Vol 64 Issue 1644supp

SA Supplements

Volume 64, Issue 1644supp

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

Features

The Modern Gold Ship

How it has Invaded the Land of California.

George Ethelbert Walsh

An Automobile Vacuum Cleaning Plant

A Substitute for the American Horse-Drawn Type by the Scientific American's English Correspondent.

An Electrolytic Rectifier for Amateurs

How it Can be Made at Home

Frederick E. Ward

Varnish for Wicker Work

Some Practical Suggestions on a Misunderstood Subject

Soldering and Soldering Processes

The Form of Solders

The Nile-Red Sea Railroad

The Building of a $7,000,000 Line Through a Waterless Land

Harold J. Shepstone

A New Race of African Pigmies

The Journal of the Disastrous George Expedition

The Atmosphere of Cities

An Investigation With a Practical Bearing on Public Health

H. Henriet

Paper Pulp from Bamboo

Venomous Fishes

Poison as a Means of Defense

A. Calmette

Artificial Fertilizers: Their Nature and Functions.—V

The Effect of Nitrogen, Phosphoric Acid, and Potash.

A. D. Hall

Trade Notes and Formulæ

Electrical Notes

Engineering Notes