- 1General arrangement drawing no 4331 (YA1966.24/3/21/C/2/356)
1851, item - 2General arrangement drawing no 4464 (YA1966.24/3/21/C/2/354)
1859, item - 3General arrangement drawing no 6456 (YA1966.24/3/21/C/2/548)
1861, item - 4General arrangement drawing no 18266 (YA1966.24/3/21/C/7/2602)
1871, item - 5General arrangement drawing no 18380 (YA1966.24/3/21/C/7/2684)
1871, item - 6General arrangement drawing no 21199 (YA1966.24/3/21/C/9/3001)
1874, item - 7General arrangement drawing no 21200 (YA1966.24/3/21/C/9/3003)
1873, item - 8General arrangement drawing no 27314 (YA1966.24/3/21/C/13/3683)
1878, item - 9General arrangement drawing no 27354 (YA1966.24/3/21/C/13/3684)
1878, item - 10General arrangement drawing no 35311 (YA1966.24/3/21/C/17/6320)
1883, item - 11General arrangement drawing no 36373 (YA1966.24/3/21/C/17/6321)
1883, item - 12General arrangement drawing no 11322 (YA1966.24/3/21/C/4/906)
1865 June, item - 13Engineering drawings for orders recorded in Order Book No 2, numbers 259-555 (YA1966.24/3/21/C/2)
1858-1861, sub-sub-sub-series - 14Engineering drawings for orders recorded in Order Book No 4, numbers 849-2095 (YA1966.24/3/21/C/4)
1865-1867, sub-sub-sub-series - 15Engineering drawings for orders recorded in Order Book No 8, numbers 2573-2771 (YA1966.24/3/21/C/7)
1870-1871, sub-sub-sub-series