I did take a photograph of all of them on the driveway waiting to be collected by the disposal team. They didn't make it in time, though, as T sold (!) the old boiler to a man up the road, who eventually came back and took all the radiators too. Another man had taken the radiator valves in the interim. Amazing how one man's trash really is another's treasure. It was good to know that they will be used somehow and not just chucked in landfill.
But they did leave all this. Asbestos is a really scary word these days. But the engineers assured me that it was low grade and didn't pose a threat to us for the time it was in the house. Good to know.