5 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 7920.17 Anchored Chains
• MS 0418.82 Librarian Kelstrom
• MS 6465.12 Luminous Chalk (Grade B)

  Luminous Chalk (Grade B) is the ordinary working chalk of the Tower's stores: a self-emitting marking compound issued in boxes of forty-eigh…

• MS 8351.02 The Seven-Hour Consensus
• MS 2289.02 Type-7 aperture