- [nb-NO]Title[nb-NO]Valve 4104D
- Valve
- [nb-NO]Description[nb-NO]Valve 4104D. Also marked 17580/15 and 161619. Bakelite fixing. Green tip to top of bulb. Triode. c.1926
Asbestos Inspection - Non-Asbestos. - [nb-NO]Material[nb-NO]
- [nb-NO]Dimensions[nb-NO]
- length: 100 mm
- [nb-NO]Creator[nb-NO]Standard Telephones & Cables Ltd
- Electronic and Electrical Engineering
- [nb-NO]Object number[nb-NO]LDUSC-EE-48
- 47
- UCL Science and Engineering Collections
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