The third Freight Company of the day rolls in with GBRf 66713 hauling 10 TUA tanks loaded with mud oil for use in the oil exploration business. There are 13 semaphore arms visible in this photo.
66713 fronts 6S60 TO 0708 Doncaster to Aberdeen loaded mud oil. The loaded train is too heavy for the shorter route through Fife over the Tay Bridge but the empties are sent that way.
The Stirling North signalman has put 170457 into platform 6 rather than 9 with train 2N54 1541 Alloa to Glasgow Queen Street. This pleased me for the next shot.