SubjectLaboratory equipmentItem typeObjectPrimary inscriptionsUnsigned and undatedPhysical materialglassCopper alloybladderObject typeAir pumpDimensionsHeight: 158mm Width: 85mmInventory No96227Related ItemsMore related itemsPear–shaped Flask for Air Pump Experiments, 19th CenturyInventory Number 66453Pressure of Air Apparatus or Bladder Glass, English, Late 19th CenturyInventory Number 95799Glass Bell Jar for Air Pump, 19th CenturyInventory Number 25658Twin Receiver Plates Air Pump AccessoryInventory Number 60630