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Features

The Emperor William and his Family

Cement Testing

By Spencer B. Newberry

Speed versus Economy in Steam Vessels

The First War Steamer of the World

The First War Steamboat

The Name of Robert Fulton for a War Steamer

Water Tube Boilers

The Reynolds Saloon Locomotive

Two Hundred Horse Power Gas Engine

Dr. D'Arsonval's Experiments in Electro-Physiology

The Lighting of Fifth Avenue, New York

Electric Signaling without Wires

By W. H. Preece

Origin of Petroleum

Long Focus Telescopes

By William Rollins

An Optical Illusion

The Music of Birds

Purification of Sewage and of Water by Filtration

Facts about Sugar

By Robert Mitchell Floyd

Patents!

A Universal Astronomical Clock

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