- 1General arrangement drawing no 40544 (YA1966.24/3/21/C/20/6741)
1886, item - 2General arrangement drawing no 40810 (YA1966.24/3/21/C/21/6843)
1886, item - 3General arrangement drawing no 41686 (YA1966.24/3/21/C/21/6907)
1887, item - 4Engineering drawings for orders recorded in Order Book No 25, numbers 6684-6806 (YA1966.24/3/21/C/20)
1886, sub-sub-sub-series - 5Engineering drawings for orders recorded in Order Book No 26, numbers 6807-6940 (YA1966.24/3/21/C/21)
1886-1925, sub-sub-sub-series