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The School for Captains of the Mercantile Marine at Marseilles

Some Causes of Marine Casualties

Apparatus for Registering the Practical Work of Agricultural Machines

Improved Refrigerating Machinery

Steam Cross-Cut Saw

A Balloon Railway

The Photographing of Colors

By M. G. Lippman

The Intensity of the Radiation of Gas under the Influence of Electrical Discharge

Improved Storage Battery

On Peroxide of Hydrogen: A Physical-Medical Research

By Benjamin Ward Richardson

On Posture and its Indications

By T. Lauder-Brunton

Improvements in Micrography

By Henry G. Piffard

On Color Harmony

By E. H. Kelly

Alterations of Personality

Les Alterations de la Personnalite. Par Alfred Binet, Bibliotheque Scientifique Internationale. (Paris Ancienne Librairie Germer Baillire et Cie., 1892.)

The Horse World of London

By W. J. Gordon

An Obstacle to Scientific Progress

By G. Gore

Dicksonias

The Copper Mines of Spain

The Constituents of Eucalyptus Oils

By H. Helbing and F. W. Passmore

Spontaneous Conversion of Isoprene into Caoutchouc

By William A. Tilden

Testing Beeswax for Adulterants

By C. Sherrad

Anhydrous Crystalline Nickel and Cobalt Fluorides

By C. Poulenc

Determination of the Solubility of Salts

By R. Rudorff

Patents!

Useful Engineering Books

Departments

  • Man's upward Struggle

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August 13, 1892

Think Outside the Gift Box