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Canet Electric Turrets

Classic Architecture

From the Point of View of an Architect. A Discourse before Johns Hopkins University, at Baltimore, MD

Retouching and Spotting Negatives

By E. J. Wall

The Metol and Amidol Developer

By F. C. Beach

The Gobelins Tapestry Manufacture

By Robert Grimshaw


Penetration of the Lee-Metford Rifle

The Arc Light

Influence of Crater in Efficiency of Lighting

By Silvanus P. Thompson

The Electric Dancing Puppets

The Singing Electric Bell

The Electrolytic Action of Return Currents in Electrical Tramways

By John Gray

Magnetic Tester for Sheet Iron

New Triple Expansion Pumping Engines

Electrical Notes

Miscellaneous Notes

Engineering Notes

Original Memoir of Prof. Roentgen

On a New Kind of Rays

The Science of Social Statistics Population

Prof. Roentgen's Discovery

By A. A. C. Swinton

Abraham's Oak

On Mountaineers and Mountaineering

By Edward Whymper

Bronze Medals for the Challenger Expedition

Original Form of Wild Maize

By J. P. Rothwell

Cypripedium with Peloriated Sepals

Gutta Percha from Leaves


The Peanut Plant


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    February 15, 1896