Features
A Record Torpedo Boat Trial
Echoes of the Windsor Hotel Fire
The Thin End of the Wedge
The New Satellite of Saturn
Liquid Air as a New Source of Power—Another Engineering Fallacy
Progress of the Zoological Park
A Ship's Boat Supporting and Launching Device
A Boiler of Novel Construction
An Improved Fire-Alarm
Cardinal Wolsey's Hat
A Cap for Sliding Doors
Military Ballooning
A Convertible Dusting-Brush
A New Form of Fire-Escape
Navies of the World
V. —GERMANY
Some Pacific Cephalopods
To Inventors - April 22, 1899
Departments
- Letters
Correspondence - April 22, 1899
- Recommended
New Books, Etc. - April 22, 1899
- Departments
Recently Patented Inventions - April 22, 1899
Index of Inventions - April 22, 1899
Notes and Queries - April 22, 1899
Business and Personal - April 22, 1899
Patents - April 22, 1899
