3 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 4340.11 Adaptive Calibration
• MS 4402.09 Hermetic Pneumatic Exchange
• MS 2944.00 Retirement

  Retirement is the formal administrative process by which an entity, concept, or procedure is declared to have concluded its functional exist…