1) All the examples noted are in connection with working the ‘banks’ or coal face in a pit.
1718 five bencks turning in 5s 0d, Farnley
1730 6d for the turning in of every Bank, Swillington
1761 for turning in 2 Banks 2 days work 2s 8d, Tong. Although the exact meaning is unclear it may have referred to preparatory work on the face before coal-getting began.