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The Great Lyons Bridge between the Hills of Fourviere and Croix Rousse

The Grand Manœuvres of the French Army

The Causes of Boiler Explosions

Wave Power Apparatus

Sugar making by the Diffusion Process

The Sugar Experiment Station

Photography upon a Black Ground

Electric Heating

By Mark W. Dewey

Standard Storehouse Construction

By C. J. H. Woodbury

The Frankfort Electrical Exhibition


The Kousmine Diffusion Battery

Some Difficulties in the Life of Aquatic Insects

By L. C. Miall

The Chimpanzee at the Zoological Gardens

By W. B. Tegetmeier

Culture of the Grapevine in France

Almond Culture

Photographic Chemistry

By R. Meldola

Seibel's Iodized soap

Dangers of Tin Canned Food

By H. A. Weber

Useful Engineering Books

Building Plans and Specifications


  • Departments

    Patents!- October 24, 1891

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