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An Old Town in Shantung Occupied by the Germans

A Novel Commercial School

Australian Diamonds

How to Keep a Floor

Koontee, the Seminole Bread Root

By Charles H. Coe

Improved Radiographic Apparatus

Aluminum as a Rival of Copper and Brass for Electrical Conductors

By Alfred E. Hunt

Electric Propulsion at Paris

Cost of Macadam Roads in Massachusetts

Electrical Notes

Selected Formulæ

Engineering Notes

The Tasker & Snow Segmented Shaping and Polishing Wheels

Hydraulic Forging Press and Engines

One Hundred Years of Ginning and Baling Cotton


By George A. Lowry

A New Road Roller

Experiments on the Working of Gas Engines

Power Required for Driving Vehicles

Tapered Hole Widening Machine

Love Jousts among the Grouse

By G. Archie Stockwell

Decrease of Bird Life in Thirty Years



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    August 20, 1898

    20% Sitewide for President's Day