Features
Sylviculture and the Suez Canal
Water-Tube Boilers in the British Navy
Our Advancing Trade
Prospects of the New Erie Canal
Automobiles in New York
Method of Detecting Hypo in Photographic Work
Electrically Illuminated Fountains
The New Russian Battleship Czarevitch as She Will Appear When Completed for Sea
A Sugar Cane Reaper Wanted in Hawaii
Training School for New York Streetcar Motormen
Hydraulic Electric-Car Brake
The Omnigraph--An Instrument for Teaching Telegraphy
A Remarkable Salt Deposit
A New Wickless Oil Burner
An Improved Pipe-Wrench
The Wentworth Cotton Gin
To Inventors
Business and Personal Wants
Departments
- Departments
The Heavens in April
Correspondence - April 6, 1901
Recently Patented Inventions - April 6, 1901
Notes and Queries - April 6, 1901
Index of Inventions - April 6, 1901
Patents - April 6, 1901