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The 9 De Julio

Double Stern Wheel Passenger Steamer

A New Life Boat

On Pottery Glazes—Their Classification and Decorative Value in Ceramic Design

By Wilton P. Rix

The Perkins Elastic Railway Conduit

Electric Laboratory Crucibles

A New Electrical Furnace

By M. Henri Moissan

Telegraph in War

By Jas A. Swift

Gilbert's “De Magnete”

A Steel Ship Struck by Lightning

Instantaneous Photography

Functions of the Retina

The Souchier Prism-Telemeter


By W. W. Ireland

The Origin of Color

Relation of Molecular and Atomic Volume to Color

By William Ackroyd

Latent Heat

Variations of Gravity

By M. Mascart

Precautions against Cholera


By Frank H. Palmer

Detection of Lead


Recovery of Silver Residues

Useful Engineering Books


The Examination of Soap

By M. E. Deiss


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    April 08, 1893

    Of Shamrocks and Science

    Happy St. Patrick’s Day