Features
High-Explosive Projectiles
Dispersion and Wave Length of N-Rays
High-Speed Steam Railway Service
The Perspectartigraph--A Novel Drawing Instrument
Japanese Swordmaking.--II
The Battleship “Mikasa” in Action
The Abruzzi Polar Expedition.--II
Excavations in the Roman Forum
Accident to the Battleship Illinois
Raising Ostriches in the United States
Business and Personal Wants
Departments
- Departments
The Heavens in April - April 2, 1904
Science Notes - April 2, 1904
Legal Notes - April 2, 1904
Recently Patented Inventions - April 2, 1904
Notes and Queries - April 2, 1904
New Books, Etc. - April 2, 1904
Index of Inventions - April 2, 1904
Patents - April 2, 1904
