4 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 7053.22 Helical Staircases
• MS 3891.01 Manual of Ephemeral Filing

  The Manual of Ephemeral Filing (MEF) is the primary procedural code governing the physical interfiling, storage, and retrieval of all non-ex…

• MS 9931.27 The Annexation of Ambiguous Precedents (Log 47-Λ)
• MS 1016.80 Twelfth Great Clock

  Twelfth Great Clock refers to both a significant era in Tower chronometry, spanning c. 3149–3171 AR, and the physical timepiece constructed …