2E46 Drilling Bit, 3 Cone, c.1970.

2E46 drilling bit, 3 cone, unsigned, 1970

Details

Category:
Gas Industry
Object Number:
1975-422/1
Materials:
metal (unknown)
Measurements:
overall: 310 mm x 210 mm x 210 mm,
type:
drilling bit
credit:
British Gas Corporation; Gas Council