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Alphonso XIII., King of Spain

The Bacterium of Ambergris

Prehistoric Bronze

By R. L. Packard

Man in Relation to the Glacial Period

Nature's Compasses

A Guanch Cenoby on Gran Canaria Island

Antarctic Exploration

The Longevity of Germs in Dust

Fantastic Soap Bubbles

The Mysterious Box

Miscellaneous Notes

Engineering Notes

Selected Formulæ

Reduction in Cost of Steam Power from 1870 to 1897

By F. W. Dean

The Imperial Navy Yard at Kiel

Telegraphs and Telephones in Persia

The United States Buys the “Mayflower”

An Electrolytic Process for the Manufacture of Parabolic Reflectors

By Sherard Cowper-Coles

The Atomic Weights of Nickel and Cobalt

Abstract of Report of the Commissioner of Patents for 1897

Department of the Interior, United States Patent Office Washington, d. C January 31, 1898

The Phonendoscope

Artificial Fertilizers for Pot Plants


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    March 26, 1898

    Of Shamrocks and Science

    Happy St. Patrick’s Day