- 1General arrangement drawing no 21701 (YA1966.24/3/21/C/10/3186)
1874, item - 2General arrangement drawing no 23132 (YA1966.24/3/21/C/10/3268)
1875, item - 3General arrangement drawing no 27073 (YA1966.24/3/21/C/13/3713)
1878, item - 4General arrangement drawing no 28473 (YA1966.24/3/21/C/13/3813)
1879, item - 5General arrangement drawing no 35154 (YA1966.24/3/21/C/17/6371)
1883, item - 6General arrangement drawing no 37634 (YA1966.24/3/21/C/18/6431)
1884, item - 7General arrangement drawing no 37652 (YA1966.24/3/21/C/18/6432)
1884, item - 8General arrangement drawing no 40319 (YA1966.24/3/21/C/20/6755)
1886, item - 9General arrangement drawing no 45047 (YA1966.24/3/21/C/24/7233)
1889, item - 10Photograph album no. 17 (EE/1/17)
n.d., item - 11Photograph album no. 18 (EE/1/18)
n.d., item - 12Photograph album no. 11 (EE/1/11)
n.d., item - 13Engineering drawings for orders recorded in Order Book No 12, numbers 3169-3340 (YA1966.24/3/21/C/10)
1874-1876, sub-sub-sub-series - 14Engineering drawings for orders recorded in Order Book No 16, numbers 3679-3821 (YA1966.24/3/21/C/13)
1878-1879, sub-sub-sub-series - 15Engineering drawings for orders recorded in Order Book No 21, numbers 6286-6427 (YA1966.24/3/21/C/17)
1882-1885, sub-sub-sub-series