- 1General arrangement drawing no 3700 (YA1966.24/3/21/C/1/247)
1858, item - 2General arrangement drawing no 12869 (YA1966.24/3/21/C/4/941)
1866, item - 3General arrangement drawing no 13777 (YA1966.24/3/21/C/5/2175)
1867, item - 4General arrangement drawing no 18020 (YA1966.24/3/21/C/7/2642)
1871, item - 5General arrangement drawing no 23903 (YA1966.24/3/21/C/11/3350)
1875, item - 6General arrangement drawing no 23936 (YA1966.24/3/21/C/11/3351)
1875, item - 7General arrangement drawing no 33874 (YA1966.24/3/21/C/16/6211)
1882, item - 8General arrangement drawing no 34036 (YA1966.24/3/21/C/16/6210)
1882, item - 9Engineering drawings for orders recorded in Order Book No 1, numbers 1-258 (YA1966.24/3/21/C/1)
sub-sub-sub-series - 10Engineering drawings for orders recorded in Order Book No 4, numbers 849-2095 (YA1966.24/3/21/C/4)
1865-1867, sub-sub-sub-series - 11Engineering drawings for orders recorded in Order Book No 6, numbers 2096-2345 (YA1966.24/3/21/C/5)
1867-1868, sub-sub-sub-series - 12Engineering drawings for orders recorded in Order Book No 8, numbers 2573-2771 (YA1966.24/3/21/C/7)
1870-1871, sub-sub-sub-series - 13Engineering drawings for orders recorded in Order Book No 13, numbers 3341-3500 (YA1966.24/3/21/C/11)
1875-1876, sub-sub-sub-series - 14Engineering drawings for orders recorded in Order Book No 19, numbers 6152-6285 (YA1966.24/3/21/C/16)
1881-1882, sub-sub-sub-series