Scientific American Magazine
Volume 101, Issue 12You are currently logged out. Please sign in to download the issue PDF.
Features
The Composition of the Upper Atmosphere
Report of the Chief of Ordnance
Honor to Whom Honor is Due
Electricity
Science
Engineering
Rat Destruction by Electric Current
An Automatic Electric Fog-Signaling Apparatus for Railroads
Portable Outlooks for Artillery Trains
Early Suggestions of Invading England by Balloon
Latin-American Trade
Trees as Witnesses in Early Surveying
A Heat Paradox
Sheet Lightning
Commander Peary's Discovery of the North Pole
How Cook Made His Latitude Observations
Capt Cody's British Army Aeroplane
A Cheap Lamp Rheostat
Temporary Repairs to Broken Springs
Simple Tapered Reamer
Handy Man's Workshop
Vise for Polished Pipe
The Cold Process of Making Sirup
Departments
Correspondence
Recently Patented Inventions
Patents
Index of Inventions
