2 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 8249.89 Chalk Dust Gathered From the Hands
• MS 8671.51 White Noise Generator (Model VII)

  The White Noise Generator (Model VII) is the standard-issue device for the creation and emission of administratively pure, concept-neutral a…