Features
Risk of Derailment on Elevated Railroad Curves
Loss of the Flagship "Mikasa"
The Bicycle and the Automobile
Producing High Vacua
The Effect of Hydrogen on Gas Engine Compression
The Phonocard
The Current Supplement
The Elevated Railroad Wreck in New York
Electrical Control of Bulkhead Doors on Warships
Our Naval Guns in the Civil War and To-Day
The First Producer-Gas Boat
A Government-Built Battleship
Hydraulic Suction Dredge on the Mississippi
The New Solar Observatory at Mount Wilson
Ancient Reservoirs at Carthage
An Interesting Shark
A Novel Carriage-Washing Apparatus
New Warp-Beam Tension Devices for Looms
Patent Department
New Rotary Valve for Steam Engines
A Striking Illusion Apparatus
Sand Wheel Toy
A New Wind Instrument
Business and Personal Wants
Departments
- Departments
Correspondence - September 23, 1905
Recently Patented Inventions - September 23, 1905
Notes and Queries - September 23, 1905
Index of Inventions - September 23, 1905
New Books, Etc. - September 23, 1905
Patents - September 23, 1905
