1. IOR/L/MIL/5/428, Coll 412 Reference (shelfmark): IOR/L/MIL/5/428, Coll 412 Title: Military Department Special Collections: Collection 412 Scope & Content: Copy correspondence on Boydell & Co's 'Traction engine and endless railway apparatus,' Collection Area: India Office Records and Private Papers Languages: English Date Range: 1857 Extent: 1 file