Features
Forcing Plants by Fire
Winter Insects
Extensive Submarine Construction Programme for Great Britain
By the English Correspondent of the Scientific American
New Kind of Rays Emitted from the Brain and Nerve Centers
Science Notes - February 20, 1904
Magnetic Brake for Small Electric Motors
By the Belgian Correspondent of the Scientific American
Photography of Star Shadows
The Great Baltimore Fire
The Russian Navy
Somersault Monocycle Course
Two New Motor Bicycles
Combined Pack and Riding Saddle
A Novel Third-Rail Protector
Spring Draft Attachment
Land Anchor
The Disk Type of Water Meter
Oddities in Inventions
Business and Personal Wants
Departments
- Departments
Correspondence - February 20, 1904
Recently Patented Inventions - February 20, 1904
New Books, Etc. - February 20, 1904
Notes and Queries - February 20, 1904
Index of Inventions - February 20, 1904
Patents - February 20, 1903
