Woman uses Equipment, number 10

Woman using a SMA 12/60 dialyzer in a pathology lab. Physical description: black-and-white negatives, 6X6.5mmEquipment used in the mid-1960’s in pathology labs. More specifically, the SMA 12/60 dialyzer is a continuous flow system that analyses the concentration of twelve constituents (calcium, inorganic phosphorus, glucose, urea nitrogen, uric acid, cholesterol, total protein, albumin, total bilirubin, alkaline phosphatase, lactate dehydrogenase, and aspartate transaminase) in serum in relatively short amount of time