Features
The Use of Argol in Dyeing
Aspects of the Planets for December
Bacterial Disease of the Imported Cabbage Worm
Barrel Pump
Box Fastener
Cultivator
Slotting Shears
Fire Escape
A New Disk Fan or Exhauster
Locomotive Electric Lights
Young Marmosets
The Canadian Porcupine
Carpet Fastener
Financial
Mechanical Inventions
Miscellaneous Inventions
Agricultural Inventions
Insurance
Engineering Inventions
Manufacturing Notes
Departments
- Departments
Business and Personal
Index of Inventions
New Books and Publications
Notes and Queries
