No Darren, not an 833, the final was a pentode but I forget its designation! It had two 75THs in the modulator, now there were a cool looking tube!
BTW, I "stole" a big triode from a derelict transmitter station in Afghanistan, it had been a spare for a 5Kw Wilcox airport beacon. I threw out all my dirty clothes and that thing filled my knapsack, caused a lot of interest at airport XRay checks! Whoops!
