There is a preserved blackboard[1] with Einstein's writing and a plaque[2] with explanation in the Museum of the History of Science[3] at Oxford.
[1] https://imgur.com/lmRE5pb [2] https://imgur.com/AS2Nhda [3] http://www.mhs.ox.ac.uk/
[1] https://imgur.com/lmRE5pb [2] https://imgur.com/AS2Nhda [3] http://www.mhs.ox.ac.uk/
There is a ton of interesting artefacts from all manner of sciences, including some gruesome medical tools from days gone by. There's nothing like a leech as cure-all medication.