1. Add Or 5475, f.27v Reference (shelfmark): Add Or 5475, f.27v Title: Raja Jai Singh's Observatory, Delhi. From the 'Metcalfe Album.'. Artist(s): Mazhar 'Ali Khan (fl.1840s), and studio Scope & Content: Raja Jai Singh’s Observatory, Delhi. Inscribed beneath: ‘naqsha-i jantar mantar birun-i darwaza ajmeri.’ Collection Area: Visual Arts Languages: Not applicable Date Range: 1842-1844 Extent: 1 Item