Caesium atomic clock

This is the first practical atomic clock, built in the 1950s by Louis Essen and Jack Parry at the National Physical Laboratory in Teddington, London.
The model is a composite of photos that have probably been taken over a few years, but is mainly based on this image.
If you click on a picture, you'll get the high resolution version (1 to 4 MB).
You can download the stud.io model here and 1920x1080 and 3840x2160 renders.
clock lab
front view of clock lab Front view right view of clock lab Right view
top view of clock lab Top view right view of clock lab,from above Right view, from above
closeup Closeup closeup of clock Closeup of caesium clock