- 1General arrangement drawing no 640 (YA1966.24/3/21/C/1/25/4)
1855, item - 2General arrangement drawing no 809 (YA1966.24/3/21/C/1/25/2)
1855, item - 3General arrangement drawing no 2150 (YA1966.24/3/21/C/1/178)
1857, item - 4General arrangement drawing no 13760 (YA1966.24/3/21/C/5/2179)
1867, item - 5General arrangement drawing no 15371 (YA1966.24/3/21/C/6/2369)
1869, item - 6General arrangement drawing no 16746 (YA1966.24/3/21/C/6/2454)
1870, item - 7General arrangement drawing no 809, office copy (YA1966.24/3/21/C/1/25/3)
1855, item - 8General arrangement proposal drawing no 2 (YA1966.24/3/21/C/1/25/1)
1852, item - 9General arrangement drawings for Beyer, Peacock order 25 (YA1966.24/3/21/C/1/25)
1852-1855, sub-sub-sub-sub-series - 10Engineering drawings for orders recorded in Order Book No 1, numbers 1-258 (YA1966.24/3/21/C/1)
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 7, numbers 2346-2572 (YA1966.24/3/21/C/6)
1869-1871, sub-sub-sub-series