1. IOR/L/PJ/6/678, File 1070 Reference (shelfmark): IOR/L/PJ/6/678, File 1070 Title: Deputation to Europe of Dr P C Ray, Professor of Chemistry, Presidency College, Calcutta, to visit important centres of scientific study Collection Area: India Office Records and Private Papers Languages: English Date Range: 21 Apr 1904-10 Jun 1904 Extent: 1 file