1. IOR/L/E/7/1426, File 21 Reference (shelfmark): IOR/L/E/7/1426, File 21 Title: File 21 Meetings of the Advisory Council of the Department of Scientific and Industrial Research 1926 Collection Area: India Office Records and Private Papers Languages: English Date Range: 13 Jan 1926-15 Dec 1926 Extent: 1 file