Departments
- Departments
The Erie Canal Problem
Excavations at Susa
Automatic Machinery and the Russian Peasant
John Ruskin
Stonehenge
The Green Ray at Sunset
Death of Prof. Hughes
The New Mining District at Cape Nome
An Improved Electro-Magnetic Apparatus
Repairing a Propeller Shaft at Sea
Stassano Process
The New York Rapid Transit Tunnel
Correspondence
A Portable Search Light for Fire Department Use
The Ibis
New Excavations at Carthage
The Proposed Pneumatic Balance Locks for the Erie Canal
An Early Reaping-Machine
Recently Patented Inventions
Business and Personal
To Inventors
Notes and Queries
Index of Inventions
Crops in 1899
