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Science Notes

Mining for Fossils

Valuable Alloys

Sheet Brass (for Sheet and Wire)

Alloy of Thorium

Cement Mortar and Concrete: Their Preparation and use for Farm Purposes

By Philip L. Wormley

Producer Gas and Gas Producers

By Charles H. Day

Contemporary Electrical Science

Methods for Increasing the Transmitter Energy in Wireless Telegraphy

Snail Cllture in Burgundy

By Jacques Boyer

Hydrodynamics: Its Evolution

Report of Isthmian Canal Commission Favoring a High-Level Canal


Machine-Made Line Drawings for the Illustration of Scientific Papers

By R. A. Daly

An Extensible Pulley

On a Tour of the Shops

Experimental Evolution

By Hugo De Vries

Some New Ideas about Food

Trade Notes and Formulæ


Electrical Notes


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