Title
Ventilating a mine
Caption
Ventilating a mine. Various forms of fan which could be mounted on an axle inside a ventilating drum. A) Thin boards forming paddles. B) Short boards with feather shaped pieces of supple wood fixed on them. C) Short boards fitted with goose feathers.
From "De re metallica", by Agricola, pseudonym of Georg Bauer.
Basle, 1556.
Date
1556
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07111_009593P
License type
Rights managed
Available size
38,4Mb (2,6Mb) / 12,6in x 11,8in / 3791 x 3543 (300dpi)