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Features

The Question of Two Engineers in the Cab

Steam Trials of the “Lusitania”

“Cecilie”: The Fastest Reciprocating-Engine Liner Afloat

Science Notes

The 24-Hour Automobile Race on the Brighton Beach Track

Government Fuel Tests at Jamestown

The Current Supplement

Magical Cures

By Randolph I. Geare

Opening of the Large Drydock at League Island

A Home-Made Alternating-Current Rectifier

By Wilmar F. Lent

The Meats We Eat

The "Typhonoid"—A New Type of Motor Boat

By M. J. Peltier

Magnified Models of Insect Pests

By Day Allen Willey

Employment of High-Frequency Currents in Therapeutics

By Jacques Boyer

An Improved Invalid's Bed

An Improvement in Safety Razors

Barrel Stand and Truck

A Novel Vehicle Spring

Departments

  • Departments

    Correspondence

  • Index of Inventions

  • Recently Patented Inventions

  • New Books, Etc.

  • Patents

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