The folder contains c 20 paper and waxed linen drawings of arc boxes and interlock contact blocks. Drawing number range P9720 - 9725.
Details
- Extent:
-
1 folder
- Identifier:
- GEC/2/2/2/489
The folder contains c 20 paper and waxed linen drawings of arc boxes and interlock contact blocks. Drawing number range P9720 - 9725.