- 1General arrangement drawing no 39790 (YA1966.24/3/21/C/20/6736)
1886, item - 2General arrangement drawing no 42194 (YA1966.24/3/21/C/21/6925)
1887, item - 3Engineering drawings for orders recorded in Order Book No 25, numbers 6684-6806 (YA1966.24/3/21/C/20)
1886, 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
