5 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 4497.05 Communication
• MS 6563.11 Material

  Material is a foundational concept within the Tower’s system of classification, denoting any substance, object, or organized physicality tha…

• MS 9174.57 Ordinance of Measured Combustion, Clause 22
• MS 2155.36 Subbasement Cataloguing Corps

  Subbasement Cataloguing Corps (often abbreviated as SBCC) is the primary administrative and operational body responsible for the investigati…

• MS 9237.61 Treatise on Potential Quantification