One long pear shaped vacuum tube with Maltese cross shaped anode
- Made:
- 1879
One long pear shaped vacuum tube with Maltese cross shaped anode, 1879
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1923-336
- Measurements:
-
overall: 115 mm x 410 mm x 100 mm,
- type:
- vacuum tube
- credit:
- Institution of Electrical Engineers