7 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 7308.66 Bureau of Prospective Instruments
• MS 7553.58 Clerk's Lamp
• MS 8113.47 Floor 1,412
• MS 8880.67 Floor 6,112
• MS 0004.45 Office of Concordance Annotations
• MS 3504.75 Order of the Comb
• MS 5530.00 The Aisle of Dropped Letters

  The Aisle of Dropped Letters is a classification zone and administrative jurisdiction on Floor 313, designated for the cataloguing and custo…