I am Collections Manager at Cornwall's Regimental Museum in Bodmin, and our site (in fact the extension Walker Lines), was one of the site of the Joint Services School for Linguists from 1951-1956. I have had a look at the RNRA page about this (and am reading School for Spies), and would be interested to hear from anyone who has memories of being at Walker Lines, photographs or indeed artefacts that we might make copies of, or acquire in to the collection.
The story of the JSSL at Bodmin is not one we are currently able to tell having very little information, and we are looking to develop a display in the museum. Any help would be greatly appreciated. Please send me a private message or email me directly at the museum on collections@cornwalls-regimentalmuseum.org. Thanks in advance, Verity Anthony (Collections Manager, Cornwall's Regimental Museum).