25-05-2025, 07:49 AM
I'm afraid I don;t have time to have a close look at the information held on these, as I embedded in domestic work at the moment. However, accurate chassis numbers are shown reflecting the change over from one model to another on the cards. I wouldn;t be at all surprised if somewhere on these, the chassis number for the first ARR is recorded...
https://archive.a7ca.org/collections/index-cards/
https://archive.a7ca.org/collections/index-cards/