Assuming the photo Ed posted of the 7 main components of this system, was in fact the standard basic system for all installations, we might have a rough basis available to us for establishing a size for the production run of this system.
The tricky bit will be in how many of these individual components bear their own data plates with serial numbers. For this, we would assume an order for 1,000 systems (not withstanding spares) would mean 1,000 of each item would be produced.
Brian: You mentioned you might have most of the components making up a system. If any of them have data plates, can you post the relevant serial numbers from them? The highest available number on any of them should tell us how far all the other bits should have gone as well.
David
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