Scientific American Magazine
Volume 81, Issue 1You are currently logged out. Please sign in to download the issue PDF.
Features
Speed and Air Resistance in Cycling
A Pertinent Question
A False Alarm
Science and Spiritualism
The Transplantation of Nerves
Prevention of Collisions at Sea
Meeting of the American Association for the Advancement of Science
Water-Tube Boilers for our Warships
Armor Plate for Bank Vaults
Method of Transferring Photographic Films
Automobile Brougham for a City Physician
An Improved Hanger for Grindstones
An Ingenious Bicycle Gear
The Mosasaurs
The Mossberg Tire-Bell
The Theory and Construction of Ball Bearings
Typical Perpetual Motion Fraud
The Proposed East River Tunnel
"Deutschland"--The Latest and Fastest of the Transatlantic Liners
Departments
Recently Patented Inventions - July 1, 1899
Index of Inventions - July 1, 1899
Business and Personal - July 1, 1899
Notes and Queries - July 1, 1899
New Books, Etc - July 1, 1899
Patents - July 1, 1899
