Features
Butter Coloring
State Taxation of Patented Articles
Non-Explosive Kerosene
A Strange Explosion
Dust Explosion in Ehret's Brewery
Latchinoff's Optical Dynamometer
Engineering Inventions
Portable Meteorological Station
New Rail Fastening
Steam-Boiler Notes
A Remarkable Case of Retarded Development
Attachment for Pants
American Industries--No. 74
Miscellaneous Inventions
A Handy Tool
An Improvement in Iron Fences
A New Tool
A Three Hundred Dollar Turtle
Earth Stars
Natural History Notes
Departments
- Departments
New Inventions
Recent Inventions
Business and Personal
Notes and Queries
Index of Inventions
Patents
