Skip to main content


The Rise of Navigation

Slow Steps by which the Science Has Been Developed

By R. H. Curtiss

Map making from the Sky

Camera now Most Important means of making War Maps

Muck Formation in the Klondike

Salvage of Ships in Great Britain

The Movements of Oil and Gas through Rocks

Geological Factors That Influence the Phenomena

By Victor Ziegler

Fluorides as Timber Preservatives

Typical Scenes in a Steel Plant

Some of the Processes in the Manufacture of Iron and Steel

Utilization of Rice and its By-Products

Dellwik Process for Completely Gassifying Coal

Batik Dyeing Process

The Rhone River Project

“Soil Sickness” Researches

Cadmium as Tin Substitute in Solder

Liquid Crystals

Sound Steel by Lateral Compression

Experiments with a View to Eliminate Waste

By Benjamin Talbot

Chemical Analysis by a Magnetic Process

Coal used by Railroads

Propagation of Flames through Tubes of small Diameter

Some Cotton Seed Products

In their Relation to Present-Day Needs

By C. De Segundo

Hardness and Viscosity of Varnish

Single-Impulse Instantaneous Photography

The Smithsonian “Solar Constant” Expedition to Calama, Chile

By C. G. Abbot


    Purchase To Read More

    Already purchased this issue? Sign In to Access
    Select Format
    Scroll To Top