Features
The Rich and the Poor
A High Windmill
A Widow Sash Fastener
An Efficient Heating Gas Burner
An Improved Steam Actuated Valve
The Bicycle upon Rails
Theodor Billroth
A Device Enabling the Typewriter to See and Read Work as it is Written
The Centrifugal Bowling Alley
Righthandedness and Lefthandedness of Sight
An Improved Boiler Tube Expander
To Inventors - May 12, 1894
Departments
- Letters
Correspondence - May 12, 1894
- Departments
Business and Personal - May 12, 1894
Notes and Queries - May 12, 1894
Recently Patented Inventions - May 12, 1894
Index of Inventions - May 12, 1894
Patents - May 12, 1894
