Scientific American Magazine
Volume 81, Issue 22You are currently logged out. Please sign in to download the issue PDF.
Features
Bids for 16 1/2-Knot Cruisers Accepted
The Meteor Display - November 25, 1899
Industrial Invasion of Great Britain
Report of the Bureau of Ordnance - November 25, 1899
Wireless Telegraphy between Balloons
Railroads in Asia
Meeting of the National Academy of Sciences - November 25, 1899
A Discussion of the Superimposed Turret for Warships
New Letter-Box Indicator
Methods of Revolving the Optical Apparatus for Lighthouses
Progress of the Paris Exposition of 1900
American Armor Plate for a Russian Battleship
The Gypsy Moth
Long-Scale Measuring Instruments
"Don Coyote"
Hamilton Young Castner
A Simple Slide-Valve for Steam-Engines
An Improved Branding Instrument
To Inventors
Departments
Notes and Queries - November 25, 1899
Index of Inventions - November 25, 1899
Recently Patented Inventions - November 25, 1899
Business and Personal - November 25, 1899
Patents - November 25, 1899