The Amber Shadows
Inspirations for my Bletchley-noir book about a young decoder being sent her own cryptic messages carved into stolen amber
The machine room in Hut 6. This is not where Honey works, it's where the codebreaking was done. (Honey's room is the decoding room where the messages were decrypted en masse once the codes had been broken). But this is where the two codebreakers I interviewed for the book worked.