movies
ssfSHOVEL
2004-05-10 15:56:32
Prelinger Archive
Before occupational health and safety, this is how excavation was done. A steam shovel is digging a tunnel for the SF Muni, c. 1917.
1917
http://creativecommons.org/licenses/by-nc-sa/1.0/
b/w
silent
shaping_sf
Steam Shovel
ccarlsson@shapingsf.org
2004-05-10 14:33:10
Chris Carlsson
www.shapingsf.org
Shaping San Francisco
0
16"
2005-01-13 09:36:44
Chris Carlsson
1
0
steam shovel;digging tunnels;excavation
5906
MovingImage
1917
ssfSHOVEL
ephemera