Features
The Electric Light in Akron, Ohio
The Study of Animal Motions
Standard Time in the United States
More about Pickett's Cave
Mechanical Inventions
Improved Force Pump
Improved Water Meter
American Industries.--No. 72
Hanger for Shafting
Miscellaneous Inventions
Hulling Cotton Seed
The Stag Beetle and Champion Beetle
The Colors of the Stars
Richly Decorated Vase
Communications Received
Departments
- Departments
Recent Inventions
Correspondence
Notes and Queries
Business and Personal
Index of Inventions
