- 1Drawing Office records (GEC/2)
1874-1994, sub-fonds - 2Drawings (GEC/2/2)
1874-1993, series - 3Andrew Barclay Sons & Co Ltd drawings (GEC/2/2/22)
1947-1949, sub-series - 40-4-0 trolley electric locomotives mechanical details (GEC/2/2/22/1)
1947-1949, file - 5 0-4-0 trolley electric locomotive mechanical parts (GEC/2/2/22/2)
1948-1949, file