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 6286.66 Integrity Testing

  Integrity Testing is the collective designation for those procedures by which the Tower verifies that a thing catalogued under a given name …

• MS 9351.59 Material Annex
• MS 2652.24 The Granular Repositories

  The Granular Repositories constitute a major archival complex within the Tower, designated for the cataloguing, containment, and analysis of…