These engines were built as tender locomotives, without on-board coal bunkers and with permanently attached coal and water tenders.
2.
These were built by Neilson and Company as tender locomotives without on-board coal bunkers and with permanently attached coal and water tenders.
3.
Above Meadowmill, a section of the original waggonway was subsequently used as a storage siding for National Coal Board coal wagons in the 1960s; this part of the route had therefore been in railway use for about 240 years.