Scientific American Magazine
Volume 80, Issue 22You are currently logged out. Please sign in to download the issue PDF.
Features
Gruson Armor in the United States
Liquid Air in High Explosives
The Pan-American Exposition
Gold in the Philippines
The East River Tunnel
Commercial Production of Liquid Air
Some Smokeless Powder Considerations
The Plant Products of the Philippine Islands
Photography of Paintings and Drawings
The "Reina Mercedes"
An Iceberg at St. John's, Newfoundland
Pocket Voltmeter and an Electric Soldering Iron
A Feed-Water Purifier and Skimmer for Boilers
A Chinese Typewriter
A Powerful Open Circuit Battery Cell
Photography in the Colors of Nature
The Measurement of Shutter Speed
Navies of the World
The Bird Giants
To Inventors - June 3, 1899
Departments
Correspondence - June 3, 1899
Notes and Queries - June 3, 1899
Recently Patented Inventions - June 3, 1899
Business and Personal - June 3, 1899
Index of Inventions - June 3, 1899
Patents - June 3, 1899
