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 6514.48 Form CXR-1, "Notice of Incipient Referential Conflict"

  Form CXR-1, "Notice of Incipient Referential Conflict" is the standard administrative instrument for formally declaring the emergence of a p…

• MS 6874.24 Forty-Ninth Concordance
• MS 4036.85 Lead Dampeners

  Lead Dampeners are the sealed, weighted instruments installed at junctions where two or more holdings of incompatible provenance would other…

• MS 1449.44 Ledger of Absences
• MS 6313.45 Trigonometric Echo-Location