- Valve
- Beschreibung4101D valve in original box. Bakelite mount. Written on box "71003-N TRANSMISSION MEASURING SET. Serial No. 2. 4101D.S. valve No S 748. Position rear".
- HerstellerStandard Telephones & Cables Ltd, Connaught House, Aldwych, London, WC2
- Material
- Format
- length: 100 mm instrument
length: 144 mm box
width: 75 mm box
height: 75 mm box - Electronic and Electrical Engineering
- InventarnummerLDUSC-EE-130
- 129
- UCL Science and Engineering Collections