Features
How Our Patent Laws Promote and Improve American Industries
Pleuro-Pneumonia
Spain a Field for Machinery and Patents
Peter Cooper as an Inventor
Curious Facts in Magnetism
A New Ironing Table
A New Ore Crusher
Recent American Patents - March 29, 1879
Remedy for the New Carpet Beetle
New Stencil Pen
A Novel Engine Regulator
The Writing Telegraph
Cowper's Writing Telegraph
Aluminum
An Improved Door Bolt
Improved Furnace for Burning Garbage
New Agricultural Inventions
An Ancient Greek Vase
Glass Sponges
To Inventors - March 29, 1879
Communications Received - March 29, 1879
Departments
- Departments
Correspondence - March 29, 1879
Notes and Queries - March 29, 1879
Business and Personal - March 29, 1879
Index of Inventions - March 29, 1879
