Features
The New Guns for the Navy
Bottle Attachment
Hair Spring Collet
Improved Account Register
Extension Table for Railway Cars
Improved Number and Letter Plate
Improved Stove
Station Indicator for Cars
Wash Boiler Fountain
Boiler Cleaner
Improved Car Coupling
Improved Shaft Holder
Decisions Relating to Patents - April 2, 1887
Improved Boring Machine
Yacht Race Across the Atlantic
The Jensen Electric Bells
Moulding an Old Fashioned Knob
Plague of Locusts in Australia
Three Related Breeds of Dogs
Boiler Feed Regulator
Hot Air Furnace
The Panama Canal Works
Agricultural Inventions - April 2, 1887
Miscellaneous Inventions - April 2, 1887
Engineering Inventions - April 2, 1887
To Inventors - April 2, 1887
Departments
- Letters
Correspondence - April 2, 1887
- Departments
Business and Personal - April 2, 1887
Notes and Queries - April 2, 1887
Index of Inventions - April 2, 1887
