05-04-2020, 07:11 PM
I visited Bletchley Park on business a couple of times around 1974. I was working for Drayton Controls and the fuel crisis had led to the development of 'optimum start' for commercial heating systems. Through the PSA who operated heating systems in government buildings I went to survey what were then mostly unused buildings on the site to assess their suitability for the new control idea, but I had to inform them that all the plant was too old fashioned, being solid fuel with gravity circulation. I think most of the systems were drained anyway to avoid frost damage. I was only told that the Post Office used part of the site which previously had been developed during the war. I was not told what its purpose had been, and probably my PSA contact did not know anyway.
Robert Leigh
Robert Leigh