Légende
Revolving wooden wind vanes fitted to the top of mine ventilation shafts. When they revolved they acted as extractor fans sucking stale air from the mine. From 'De re metallica', by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut.
Date
1556
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP15A00_006
Licence
Droits gérés
Format disponible
16,3Mo (1,1Mo) / 20,7cm x 19,8cm / 2445 x 2335 (300dpi)