Mallinkrodt Radiological Tables and Circular Slide Rule

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Country of manufacture: Japan,            Date of manufacture: 1966
Overall Height: 16.0 cm,          Width: 7.5 cm
Materials: All plastic
Scales: 7,
Front: A, D, C, T_½, B, DT, C°/F° conversion
Gauge Marks: [ π, C ]
Condition: C3-C4 (Very Minimal to Minimal signs of use)
Came with: Orig. white plastic slipcase and instruction booklet

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