Instrumentation Laboratories Inc. Blood Acid/Base Calculator, Catalog # 39997

Country of manufacture: US,            Date of manufacture: >= 1969
Overall length: 26.7 cm,          Width: 8.3 cm,          Weight: 137.0 gms
Materials: all plastic
Cursor: 3.8 X 9.8 X 0.6cms; all plastic; lines = one each on front and back
Scales: 12, specialized
Front: Total CO2 Content, [HCO3-], pH [ PCO2, PO2 ] pH, SO2
Back: SO2 % X PCO2 [ pH ] Standard [HCO3-] mEq/l, Base Excess mEq/l, Buffer Base mEq/l
Condition: C1 (Mint with all extras, but some not in mint condition)
Came with: original black plasic slipcase , instruction sheet