- 1General arrangement drawing no 6187 (YA1966.24/3/21/C/2/486)
1861, item - 2General arrangement drawing no 6712 (YA1966.24/3/21/C/3/594)
1861, item - 3General arrangement drawing no 6910 (YA1966.24/3/21/C/3/619)
1861, item - 4Engineering drawings for orders recorded in Order Book No 2, numbers 259-555 (YA1966.24/3/21/C/2)
1858-1861, sub-sub-sub-series