BR built 3 batches of Bogie Bolster C specifically for use by the Signalling and Telecommunication engineers. They were code named PRAWN. This series of photographs shows various liveries, including gulf red and olive green. All were unfitted and some in later years had cradles for wire drums.
![KDB997623 YNO [2]](/img/s/v-10/p478838546-11.jpg)
![KDB997636 C-BOLSTER [2]](/img/s/v-10/p59286929-11.jpg)
