1. IOR/L/MIL/5/392, Coll 142 Reference (shelfmark): IOR/L/MIL/5/392, Coll 142 Title: Military Department Special Collections: Collection 142 Scope & Content: Copy correspondence and proceedings on a new method of constructing pontoon bridges evolved by Maj Thomas Blanshard, RE, with two drawings Collection Area: India Office Records and Private Papers Languages: English Date Range: 1826-1827 Extent: 1 file