Features
The Transplantation of Nerves
Speed and Air Resistance in Cycling
A False Alarm
A Pertinent Question
Method of Transferring Photographic Films
Armor Plate for Bank Vaults
Water-Tube Boilers for our Warships
Prevention of Collisions at Sea
Meeting of the American Association for the Advancement of Science
An Ingenious Bicycle Gear
Automobile Brougham for a City Physician
An Improved Hanger for Grindstones
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
- Recommended
New Books, Etc - July 1, 1899
- Departments
Recently Patented Inventions - July 1, 1899
Notes and Queries - July 1, 1899
Business and Personal - July 1, 1899
Index of Inventions - July 1, 1899
Patents - July 1, 1899
