Specimen patent safety mining cable
Specimen patent safety mining cable
Details
- Category:
- Electricity Supply
- Object Number:
- 1929-385
- Materials:
- copper (metal), sisal, metal (unknown) and resin (unidentified)
- Measurements:
-
overall: 30 mm x 250 mm x 20 mm,
- type:
- cable
- credit:
- Atkinson, Llewelyn B