6 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 3619.18 Floor 92
• MS 5671.25 Hour of Quiet Inventory
• MS 6941.47 Master of Records
• MS 6201.67 Ordinance 641-C
• MS 8148.18 Primary Standard

  The Primary Standard is a bar of platinum-iridium alloy, 1.000 metres in length at 4 degrees above the freezing point of the Tower's cistern…

• MS 3483.68 Sigil Pre-existence

  Sigil Pre-existence is the administrative condition under which a sigil is held to have been validly in force before the date of its enrolme…