Features
The Yacht "Columbia"
Crystallization of Metal under Stress
Prof. Chandler Honored
Meeting of the American Society of Mechanical Engineers
The Tugrin Fog Dispeller
Ozotype
The Durability of Typewriter Ribbons
Topographical Maps
The Rowland Telegraph System
A Deep-Mine or Relay Pump
An Improvement in Furnace Construction
A Novel Boiler-Tube Cutter and Expander
A Quaint Old Japanese Clock
A Rapid Way of Marking Out Cloth Patterns
A Device for Removing Dents from Gun-Barrels
A New Shade-Roller Attachment
A Knockdown Cask
The 10-Inch Gun Explosion at Sandy Hook
The Class Microscope
The Naval Academy as It Is
The Samoan Islands
Departments
- Letters
Correspondence - May 6, 1899
- Recommended
New Books, Etc. - May 6, 1899
- Departments
Recently Patented Inventions - May 6, 1899
Business and Personal - May 6, 1899
Notes and Queries - May 6, 1899
Index of Inventions - May 6, 1899
Patents - May 6, 1899