2 holdings are shelved on this floor. A shared floor records where volumes sit and nothing about what any of them says; these are neighbours, not relations.

• MS 4977.51 Ambivalent Artefacts, Class Theta

  Ambivalent Artefacts, Class Theta are tools, instruments, or recorded phenomena whose primary function or state is contingent upon a seconda…

• MS 3557.54 Echo Tracing