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New Artificial Tanning Materials

By Edmund Stiasny

The Port of Galveston

Its Relation to the Industrial and Agricultural Development of the South

By Warren Willsey Peters

Peat Powder as a Locomotive Fuel

The Manufacture of Hydrogen from Water Gas

The Separation is Effected at —205° C., the lowest temperature reached in any industrial process

By Henri Brot

Splicing Transmission Rope

A Correctly made Splice is Essential to Satisfactory Service

Colloids and Crystals

Two Worlds of Matter

By Robert H. Bradbury

Proposed Development of American Potash Deposits

Stone Monuments—I

Their Relation to History and Geography

By J. Walter Fewkes

Steel for Permanent Magnets

The Distribution of Wind Velocity around a Rod

Cooling Effect upon Hot Wire used to Measure Air Current

By J. T. Morris

Chemical Production of Light

Will the Lamp of the Future give us “Cold” Light ?

By Wilder D. Bancroft

Welding Nickel


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