Features
Report of the Commissioner of Patents for 1897
Alphonso XIII., King of Spain
The Bacterium of Ambergris
Prehistoric Bronze
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
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
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
