Sprengel pump
Bomba de Sprengel
- Date
- 1865 · confidence high
- Place
- London, England, United Kingdom
- Credited to
- Hermann Sprengel (1865)
- Field
- Tools
What it is
Vacuum pump that uses drops of mercury falling through a capillary tube to trap and remove air from a system, achieving the highest vacuum attainable at the time.
What it led to
- better-vacuum incandescent light bulbs (Edison, Swan)
- cathode-ray and discharge tubes
- advances in vacuum physics
- laboratory scientific instrumentation