- 1General arrangement drawing no 20814 (YA1966.24/3/21/C/9/3064)
1873, item - 2General arrangement drawing no 23557 (YA1966.24/3/21/C/10/3256)
1875, item - 3General arrangement drawing no 23669 (YA1966.24/3/21/C/10/3253)
1875, item - 4General arrangement drawing no 23670 (YA1966.24/3/21/C/10/3255)
1875, item - 5Engineering drawings for orders recorded in Order Book No 11, numbers 2998-3168 (YA1966.24/3/21/C/9)
1873-1898, sub-sub-sub-series - 6Engineering drawings for orders recorded in Order Book No 12, numbers 3169-3340 (YA1966.24/3/21/C/10)
1874-1876, sub-sub-sub-series