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Features

Communicating with Aircraft

Various Methods of Signaling

Determining the Depth of a Foreign Substance in the Body

The Progress of Surgery

As Shown by Military Medical Service in Ancient Times

Trench Frost-Bite

Massage in the After-Treatment of the Wounded

Propor Methods for Removing Stiffness in Joints

Economizing Coal in Gas Making

A Simple Viscometer

Faulty Fabrics

As Viewed by the Laundryman

By W. H. Johnstone

Parks in the Canadian Cordillera

Physical Features and Attractions in the Canadian National Playgrounds

By John A. Allan

Potassium Photo-Electric Cells—II

A Study of the Relationship of Illumination and Current

By Herbert E. Ives

Eye Injuries from Alkalies

German Army Administration

A Lesson in Prepardness

Designing small Dynamos and Motors

Instructions in the Theory and in Details of Winding

By Chas. F. Fraasa

Turbines vs. Engines in Units of small Capacities

With Special Reference to the Prime Movers

By J. S. Barstow

Chemical and Physical Properties of Lime

Departments

  • The Relation of Phrenology to the Study of Character

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December 04, 1915

Music's Mysterious Power

Music's Mysterious Power

Emotional. Cognitive. Therapeutic.