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Sir William Ramsay

The Education of a Technical Chemist

By William Ramsay

The Longevity of Birds

Shapes of Ties

A New System for Securing Secrecy in Wireless Telegraph Signaling

By Emile Guarini

Natural and Artificial Perfumes

By Max Heim

Some General Rules for Staining Wood

Artificial Gutta-Percha

The Vast Exposition Palaces of the World's Fair

Steam Turbine Propulsion for Marine Purposes

By A. Rateau

Contemporary Electrical Science

Electric Theory of Matter

The Jungner Nickel-Iron Accumulator and its Origin

By M. V. Schoop

Aquatic Leathers

By Charles H. Stevenson


Electrical Notes

Trade Notes and Recipes

Selected Formulæ

Engineering Notes



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