Drawing (scale 1:4) of Onion's Double Beat Valves for Beam Engine
Drawing (scale 1:4) of Onion's Double Beat Valves for Beam Engine, 1798
Details
- Category:
- Motive Power
- Object Number:
- 1883-480
- type:
- drawing
- credit:
- Commissioners of Patent Museum
Drawing (scale 1:4) of Onion's Double Beat Valves for Beam Engine, 1798