Complex sentence: The line was worked by eight stationary engines at Sunderland, Seaton, Merton, Appleton, Hetton, Moorsley, Piddington and Sherburn, rated at between, and these pulled ropes up to long and between in circumference.
Split into simpler sentences: The line was worked by eight stationary engines at Sunderland, Seaton, Merton, Appleton, Hetton, Moorsley, Piddington and Sherburn. These engines were rated at between and pulled ropes up to long and between in circumference.