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The Celebration in Honor of Emperor William the Great

The Pope's Army

The Capsizing of a Ship

Pipe Line System of Drawing Water for Fire Service

The Development of the Rudder Motor

The Evolution of the American Locomotive

By Herbert T. Walker

The Reno Rapid Transit Plan for Broadway, New York

By J. W. Reno

Crushing, Grinding and Separating Machinery

The Filtz Rotary Steam Motor

Vulcanite Graphite Bearings

The Midget Steam Trap

Roman Theaters

Selected Formulæ

Deliberate Deception in Ancient Buildings

Electrical Notes

Engineering Notes

Miscellaneous Notes

The Electric Heater

By H. E. Stauffer

Apparatus for Registering the Outgoing and Incoming of Carrier Pigeons

The Commencement of Submarine Telegraphy

By J. H. Jackson

The Future of American Industries

By A. E. Outerbridge

A Fireproof Tree

By G. Clarke Nuttall

The Perception of Sound


Role of the Nerves in the Mind Cure


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