Air Resistance of Electric Cars

Cement Bases for Wooden Telegraph Poles

Growth of the Hudson River Steamboat

The use of Clay Cones in Steel Heating

"Galvanizing" with Zinc-Aluminium Alloy

Sanitation of the City of Washington--I

The Aqueduct and Filtration Plant

Review of the Atlantic Fleet by the President

Wreck of the Duluth-Superior Drawbridge

Brick and Tile Making in the Tropics

The Screw-Propelled Swimmer

By the Paris Correspondent of the Scientific American

The Kromarograph--An Automatic Music-Recording Apparatus

An Improved Puff Box

A New Type of Sixty-Foot Summit Level Canal for Panama

Business and Personal Wants

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