bild
CIVIL;ENGINEERING;MECHANISATION;MACHINERY;PHYSICS;PNEUMATICS
Germain Sommeiller's (1815-1871) compressed air rock drill used in the Mont Cenis and St Gothard railway tunnels. Sommeiller engineer of Mont Cenis tunnel. Wood engraving, Paris, 1874 (KEYSTONE/World History Archive)
Instruktionen
COPYRIGHTPFLICHTIG, , EDITORIAL USE ONLY. FOR ANY OTHER USE, PLEASE CONTACT US.
Lizenz
Rights Managed
Erstellungsdatum
Ort
Credit
KEYSTONE
Source
World History Archive WHA
Byline
Grösse
4500 x 2627 px
Dateityp
JPEG