Hi Saltleyloco & Lower Quadrant,
Great to see that photo of Bert on 6448, I recognise Bert but don't think I ever fired for him. I did fire 6448 a few times however, like Berts Fireman, I too used to wear a white shirt & black 'knitted tie'!! (why, I don't know).
The mention of 2400 & the SCS...