Clutch for attaching drill bar to rock drills used in the Hoosac Tunnel
Dublin Core
Title
Clutch for attaching drill bar to rock drills used in the Hoosac Tunnel
Subject
Tunnels -- Massachusetts -- Photographs.
Hoosac Tunnel (Mass.) -- Photographs.
Date
2010-05-06T18:24:49Z
2010-05-06T18:24:49Z
1866
Contributor
Doane, Thomas.
Type
Image
Files
Collection
Citation
“Clutch for attaching drill bar to rock drills used in the Hoosac Tunnel,” Digital Commonwealth , accessed May 25, 2013, http://digitalcommonwealth.org/items/show/13598.

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