This is the array of of instruments on the shelf at Harden South Signal Box. There is the Tyers two wire block and also the standard NSWGR block instruments which never really did oust the ancient Tyers. Also the stiker bell and repeater can be seen. (1980)
[Copyright: Graeme Skeet]
This is the array of of instruments on the shelf at Harden South Signal Box. There is the Tyers two wire block and also the standard NSWGR block instruments which never really did oust the ancient Tyers. Also the stiker bell and repeater can be seen.
Link