Crookes' 'Watering Can' Discharge Tube
- Made:
- 1870-1920 in unknown
- maker:
- Unknown
Crookes' discharge tube with a watering can feature on a turned mahogany stand, 1870-1920.
This tubes contain a miniature glass watering can shape within a bulb-shaped partially evacuated Crooke's discharge tube, and was used for demonstratring fluorescence under cathode ray bombardment.
Details
- Category:
- Electricity and Magnetism
- Object Number:
- Y1989.249.2
- Materials:
- wood (unidentified), glass and metal (unknown)
- Measurements:
-
overall: 440 mm 105 mm,
- type:
- gas discharge tube
- credit:
- Purchased From Christie's