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 3742.49 Acousticians' Guild

  The Acousticians' Guild is the chartered body of the Tower responsible for the measuring, tempering, and licensing of sound, and for the sup…

• MS 1526.35 Reading Room of Unclaimed Annexes
• MS 4731.33 Terminal Paradoxes

  Terminal Paradoxes are a class of catalogued anomalies whose defining property is that their resolution and their continuation are the same …

• MS 2247.96 West Aperture

  West Aperture refers collectively to a series of approximately one hundred and twelve vertical architectural voids running through the weste…