1. Photo 117/9(3)
- Reference (shelfmark):
- Photo 117/9(3)
- Title:
- Showing the balli tripod, and a differential pulley block arrangement to hoist the top and diagonal members of the trusses [Kalagarh Bridge construction, Dehra Dun-Mussoorie road]. Photographer: Unknown
- Scope & Content:
- Genre: Historical Events Subjects = bridge building; bridges; civil engineering; Hallett Collection; Public Works Department Location = Dehra Dun; India; Uttar Pradesh
- Collection Area:
- Visual Arts
- Languages:
- Not applicable
- Date Range:
- 1945
- Extent:
- 1 item