- 1General arrangement drawing no 41671 (YA1966.24/3/21/C/21/6889)
1887, item - 2General arrangement drawing no 42223 (YA1966.24/3/21/C/22/6953)
1888, item - 3General arrangement drawing no 44089 (YA1966.24/3/21/C/23/7092)
1889, item - 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 - 5Engineering drawings for orders recorded in Order book No 27, numbers 6941-7057 (YA1966.24/3/21/C/22)
1888-1889, sub-sub-sub-series - 6Engineering drawings for orders recorded in Order book No 28, numbers 7058-7167 (YA1966.24/3/21/C/23)
1888-1889, sub-sub-sub-series