The First Super-Dreadnought of the U. S. Navy
The "Texas" Armed with Ten 14-inch Guns, makes Twenty-two Knots
Volume 109, Issue 20
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Features
The Khedive's State Train
A Benzol-Electric Train for the Governor of Egypt
The Profile of the Sun
How Invisible Solar Prominences are Studied by means of the Spectroheliograph
The Naval Airship, Waste From Desks Goes Into Brushes and more
Photography By Invisible Light
Things we should see if our eyes were Sensitive to ultra-violet and infrared rays
A Disease of Old Leaden Art Objects
How Corrosion may be Retarded by a Protective Coating
Alfred Russel Wallace
Co-Founder, with Darwin, of the Modern Theory of Evolution