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The Rapid Tanning of Leather by Electricity

The Technical Education of the Electrical Engineer

By Dugald C. Jackson

Glazing of Roofing Tiles, Brick, Terra Cotta, Etc.

Trouve's Portable Luminous Fountains

Rice: Its Manufacture

By H. B. Proctor

Immunity against Pneumonia

Impact, or the Force of Percussion

By G. D. Hiscox

Washing Gelatine Negatives

Blowing up a Bridge

H. M. S. S. Ramillies and Repulse

Professor James Thomson

Life-Saving Devices

Micro-Organisms in their Relation to Chemical Change

By Percy F. Frankland

Report on Phosphoric Acid

By W. B. Burney

Illuminating-Flames

By Vivian B. Lewes

The General Circulation of the Atmosphere

Cave Dwellers in Africa

Archæological Discovery in Egypt

Patents!

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    July 09, 1892

    Think Outside the Gift Box