Departments
- Departments
The Postal Service in the Time of Queen Anne
Some Needs of Modern Chemistry
Textile Manufacturing in the New South
Two Impossible Bills
Progress of the New York Rapid Transit Tunnel
The Emigration to Cape Nome
The Heavens in June
A Small Automatic Electric Air-Pump
Shouldering Car for Leveling and Trimming Roadbed
Count von Zeppelin's Airship
Borax--Old and New Methods of Production
The Sault Power Canal
Curiously Cut Yew Trees
A Waterproof Detonator for Mines
Correspondence - May 26, 1900
A Mechanical Cotton-Picker
Some Pacific Sharks and Accompanying Fishes
Index of Inventions - May 26, 1900
Notes and Queries - May 26, 1900
To Inventors - May 26, 1900
Business and Personal - May 26, 1900
Recently Patented Inventions - May 26, 1900
Patents - May 26, 1900
