Volume 67, Issue 1738supp
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Features
Exploring the Great Wall of China
The Smoke Nuisance and the Railroads
Considered from the Economical and Geological Standpoint
A Year's Experience with a Suction Power Plant
Eiffel Tower Device for Showing Hour
The Time Indicator of Paris
Definitions of Electrical Terms
New Dust Preventives
The use or Water and Salt Solutions
A New System of Welding
“Ferro-Bronzes”
Some New Alloys and their Composition
Radium Rays and Plant Life Processes
Some Interesting Discoveries
Artificial Gems Past and Present
Imitating Nature in the Laboratory
A Simple Vapor Pressure Apparatus
Sub-Aqueous Photography.—II
Photographing Aquatic Animals in their Natural Environment
Animal Fats and Oils
Some Manufacturing Processes