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 3187.62 Central Pneumatic Tube System

  The Central Pneumatic Tube System is the designation given to the trunk routes, pressure regulators, and principal transfer stations of the …

• MS 3355.29 Floor 7,414

  Floor 7,414, officially designated the Hall of Misdirected Entropy, is a medium-security archival floor situated administratively between Fl…

• MS 7593.97 Formal Acknowledgement of Provisional Being
• MS 0397.39 Lyra

  Lyra is a designation used within clerical and cartographical archives of the Tower to denote an operational cycle of twenty-seven days, con…

• MS 2595.06 Radial Stacks
• MS 8376.63 Re-installation