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Worthless Rifles in the German Army

Smokeless Powder and Magazine Rifles

Smokeless Powder Company, of London

By L. G. Duff Grant

Revolving Grand Stand

Improved Rock Drill and Air Compressor

Flexible Metallic Tubing

Rapid Method of Painting a Passenger Car

By Robert McKeon

The Manufacture of Liquors and Preserves

By J. De Brevans

Color Vision

Luther's Church in Wittenberg

Multiplication Simplified

By Nicholas J. Vander Weyde

Osmotic Pressure

By J. W. Rodger

A Botanist in the Hawaiian Islands

The Brine Shrimp of the Great Salt Lake

By J. E. Talmage

Grasshoppers, Locusts and Crickets

On the Cause of Earthquakes

By H. N. Hutchinson

Will the coming Woman Lose her Hair?

By E. F. Andrews

The Gold Fields of Maine

The Chemical Combination of Water and Ammonia

By Thomas Andreson

Useful Engineering Books

Staining Vegetable Tissues



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