while in the Deutches Museum in Munich the other day I spotted this:
(sorry about the fuzzy phonecam photo)
http://list.spraci.com/photo/94b2dcc2fb0f22481e950fd3f7beac67-1.jpg

(from memory it said something about a kind of sensor used in Atlas experiments)

nearby was this chart:
http://list.spraci.com/photo/4648628e6e9357011cb847c18b71c3fc-1.jpg?f=&_u=170925120934