Sujet
Holland Tunnel Section View
Légende
New York, New York: c. 1922
A sectional view of the Holland Tunnel, a marvel of modern science, and all its features: 1. Exhaust airports. 2. Telephone & telegraph cables. 3. Fire extinguisher. 4. Water supply pipe. 5. Continuous duct for fresh air supply. 6. Fresh air flues every 15 feet. 7. Exhaust air ducts running the length of the tunnel. 8. Tunnel segment weighing 3000 pounds. 9. Weight of complete ring 21.6 tons. 10. Concrete. 11. Sidewalk. 12. Power cables for tunnel. 13. Fresh air expansion chamber. 14. Fresh air flues every 15 feet. 15. Drain. 16. Fresh air duct running entire length of tunnel.
Date
1922
Crédit
Photo12/Underwood Archives/UIG
Notre référence
UMG20A24_298
Model release
Non
Property release
NA
Licence
Droits gérés
Format disponible
64,0Mo (1,1Mo) / 39,4cm x 40,6cm / 4659 x 4800 (300dpi)