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 3737.77 Aperture Phases

  Aperture Phases are the discrete intervals into which the Tower divides the opening, holding, and closing of its apertures, and the periods …

• MS 8273.06 Concordance on Bounds
• MS 9184.03 Oriska Pell
• MS 4994.99 Ovin Hollin
• MS 0125.82 Vibration Permits

  The Vibration Permits constitute a class of regulatory instrument issued by the Central Licensing Bureau for activities deemed to risk induc…