- 1General arrangement drawing no 36020 (YA1966.24/3/21/C/17/6385)
1883, item - 2General arrangement drawing no 41671 (YA1966.24/3/21/C/21/6889)
1887, item - 3Engineering drawings for orders recorded in Order Book No 21, numbers 6286-6427 (YA1966.24/3/21/C/17)
1882-1885, sub-sub-sub-series - 4Engineering drawings for orders recorded in Order Book No 26, numbers 6807-6940 (YA1966.24/3/21/C/21)
1886-1925, sub-sub-sub-series