The folder contains c 20 paper, blueprint, waxed linen and acetate drawings of relay details. Drawing number range P12360 - 12638.
Details
- Extent:
-
1 folder
- Identifier:
- GEC/2/2/2/484
The folder contains c 20 paper, blueprint, waxed linen and acetate drawings of relay details. Drawing number range P12360 - 12638.