- Letter
- الوصفLetter from T.V. Instruments Ltd, 323 City Road, London to Ambrose Fleming regarding a Ti lamp. 3rd September 1934
- المنشيءT.V. Instruments Ltd
- مادة
- الأبعاد
- length: 202 mm
width: 254 mm - Electronic and Electrical Engineering
- رقم الكائنLDUSC-EE-154
- 153
- UCL Science and Engineering Collections
|
|