Input (grade 13): The body for coach 17 was built in 1911, by local firm Shapland and Petter, and mounted on a steel underframe constructed by the railway in its own workshops at Pilton.
Output (grade 11): The body for coach 17 was built in 1911 by a local firm, Shapland and Petter, and fitted to a steel underframe made by the railway at Pilton.