1. Photo 527/1(129) Reference (shelfmark): Photo 527/1(129) Title: Photo Engraving Section. A corner of the machine room. Francis at the router [Photographic Department, Survey of India, Calcutta]. Photographer: Unknown Scope & Content: Subjects = photographers; Survey of India Photographic Department Collection Area: Visual Arts Languages: Not applicable Date Range: c 1911 Extent: 1 item