Features
The Electric Systems at the Columbian Exposition
The World's Columbian Exposition
Notes from the Worlds Columbian Exposition Chicago 1893
The Post Office of the Columbian Exposition
Electric Furnaces
An Improved Railway Roadbed
"Strip, the Electrician"
Curious Tree Growths
Locomotives of 1831 and 1893
A Steam Pressure and Water Level Recorder
The Broughton Quick Delivery Mixer
Edison's Improvement in the Transmission of Power
The Canned Food Industry
The Columbian Exposition Steamer Christopher Columbus
An Efficient Traveling Crane
To Inventors - May 13, 1893
Departments
- Recommended
New Books and Publications - May 13, 1893
- Departments
Recently Patented Inventions - May 13, 1893
Business and Personal - May 13, 1893
Notes and Queries - May 13, 1893
Index of Inventions - May 13, 1893
Patents - May 13, 1893
