Floor 4,022
- Holdings shelved
- 3
- Survey
- incomplete
3 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 5926.01 Department of Circular Logics
- MS 0766.42 File Γ-719
- MS 2762.40 Mark VII Volumetric Spool-Reader