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Features

The Great Star Map.—V

Star Positions.—Continued

By H. H. Turner

Lenǵth of Wood Fibers

The Microscopic Structure of Ligneous Tissue

The Present Status of the Rubber Industry

An Important Branch of Modern Manufacture

An Appraisement of the Horse

Is Appendicitis a New Disease?

The Possible Causes of its Increased Prevalence

The Electrical Precipitation of Suspended Particles

By F. G. Cottrell

Liftinǵ Maǵnets in Foundries

Economies Resulting from Their Application in an Industry Which has been Slow to Accept Them

By H. F. Stratton

A Simple Electroplatinǵ Apparatus

Some Hints for the Amateur

A New Portrait of Constantine the Great

A Splendidly Preserved Record of a Prominent Historical Figure

By Alfred Emerson

Earthquakes and Lumious Phenomena

By John Milne

Testinǵ Cereals for their Resistance to Disease

A Mechanical Gauge for Measuring Their Vitality

Useful Products from Willow Bark

Recovering Values from the Waste of Basket Making

Problems in Telephone Traffic Enǵineerinǵ.—II

Some of the Difficulties that Arise in Serving a Heterogeneous Territory

By F. P. Valentine

Enǵineerinǵ Notes

Rapid Depreciation of Power Plant Due to Development of Business

Science Notes

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    September 30, 1911

    Think Outside the Gift Box