4 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 3662.06 Axioms of Spatial Summation
• MS 8710.73 Master Ledger of Tolerances

  The Ledger itself is a set of 1,047 vellum folios, each measuring precisely 42 by 59.4 centimeters (a tolerance of ±0.1 mm is permitted, as …

• MS 9237.83 Provisional Creation
• MS 0565.04 Root Tone

  The Root Tone is defined in the Materials Register, Annex VII (Acoustic Voids), as the primary, inaudible harmonic oscillation that maintain…