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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

The Metol and Amidol Developer

By F. C. Beach

Retouching and Spotting Negatives

By E. J. Wall

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

New Triple Expansion Pumping Engines

Magnetic Tester for Sheet Iron

Miscellaneous Notes

Electrical Notes

Engineering Notes

The Science of Social Statistics Population

Original Memoir of Prof. Roentgen

On a New Kind of Rays

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

The Peanut Plant

Gutta Percha from Leaves



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