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 0150.44 Chamber of Acoustic Equipoise
• MS 1901.04 Directorate of Acquisition and Authentication

  Directorate of Acquisition and Authentication (DAA) is the central governing body for all procurement, assessment, and verification procedur…

• MS 0235.36 Great Ventilation Shaft

  Great Ventilation Shaft is the collective designation for the four primary atmospheric trunks serving the Tower's middle floors, together wi…

• MS 3569.14 Master Register of Ephemeral Events
• MS 7847.99 Partial Survey of Floor Δ-7

  Partial Survey of Floor Δ-7 was a contained undertaking executed under the provisions of Annex Ω during the Tenth Concordance Period, direct…