2 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 9010.21 Apical Mechanics
• MS 9188.78 Compendium of Hypothetical Anomalies

  Per Annex 7-C of the Twelfth Concordance, the Compendium exists to "render the incoherent legible and the impossible filed." Its mandate, ad…