- 1General arrangement drawing no 19836 (YA1966.24/3/21/C/8/2907)
1873, item - 2General arrangement drawing no 20990 (YA1966.24/3/21/C/9/2975)
1874, item - 3Engineering drawings for orders recorded in Order Book No 10, numbers 2772-2997 (YA1966.24/3/21/C/8)
1872-1873, sub-sub-sub-series - 4Engineering drawings for orders recorded in Order Book No 11, numbers 2998-3168 (YA1966.24/3/21/C/9)
1873-1898, sub-sub-sub-series