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Sir Richard Owen

Why Bacilli are so small and Whence they get their Energy

By G. Johnstone Stoney

A Curious Plant

(Welwitschia mirabilis.)

A Garden at Broadway

Odontoglossum Crispum Nobilius

Lord Rayleigh on Sound

The Reflecting Stereoscope

Calorimetric Determination of Coal

Colors from Iron Ores

By Walter J. May

Preparation of Uranium

By Henri Moissan

Photogravure by the Talbot-Klic Process

The Permanency of Egyptian and other Pigments

Rapid Crystallos

By Ch. Scolik

On Metallic Osmium

By A. Joly and M. Vezes

Estimation of Mechanical Wood in Papers

Godeffroy and Coulon's Method

The Effects of Alloys on the Mechanical and Physical Properties of Metals

By W. C. Roberts-Austen

Phillips' Flying Machine

Duplex Color Printing

La Cour's “Kratostate”

French Locomotives at the Columbian Exposition

Germany's Representatives at the Columbian International Naval Review in America

A Brioche Baked in a Hat

The Discoverers of America

By Gardiner G. Hubbard

Disappearance of an Apple and a Ninepin

The Oldest Prescription in the World

Useful Engineering Books


By Hanriot and C. Richet

Crotalidae of India and Ceylon

Flies in Cholera

By J. Sawtschenko



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    June 03, 1893

    20% Sitewide for President's Day