[xoxoxoBruce]

Nope, no video. I should think there would be some Pathe News footage somewhere. And likely the East Germans were keeping an eye(camera) on this operation.
Steam is powerful stuff, and a 300PSI boiler is a time bomb. Ever see the results of a pressure cooker going off? Regardless of the heat source it's steam that makes most of our electricity.

Thanks 3-foot, nice pictures.