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The 9 De Julio

A New Life Boat

Double Stern Wheel Passenger Steamer

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

By Wilton P. Rix

A New Electrical Furnace

By M. Henri Moissan

The Perkins Elastic Railway Conduit

Electric Laboratory Crucibles

Telegraph in War

By Jas A. Swift

A Steel Ship Struck by Lightning

Gilbert's “De Magnete”

Functions of the Retina

Instantaneous Photography


By W. W. Ireland

The Souchier Prism-Telemeter

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

The Examination of Soap

By M. E. Deiss

Useful Engineering Books


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    April 08, 1893

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