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 8208.00 Contextual Anchoring

  Contextual Anchoring is the standard procedure by which a subject catalogued in the Tower is fixed to a determinate position within the arch…

• MS 3285.34 Sympathetic Lyre

  The Sympathetic Lyre is a calibrated acoustic instrument used by the Chamber of Cartographic Calibration for the detection and quantificatio…