Pricing Change
New pricing for orders of material from this site will come into place shortly. Charges for supply of digital images, digitisation on demand, prints and licensing will be altered.
VENTILATION SHAFT
A shaft designed to allow for the adequate circulation of air through an underground structure.
Classifications
Related Terms
| Term | Note |
|---|---|
| MINE SHAFT | A vertical or inclined excavation giving access to an underground mine. |
| RAILWAY TUNNEL | A tunnel running under a river or a hillside through which a railway line runs. |
| ROAD TUNNEL | A tunnel carrying a road under a river or through a hill or other obstruction. |
