engine-shaft
From Underfoot
Q5377746
For mine construction, an engine shaft is a mine shaft used for the purpose of pumping, irrespective of the prime mover.
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
For mine construction, an engine shaft is a mine shaft used for the purpose of pumping, irrespective of the prime mover.
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|