Nuclear Chicago Nuclearule

Country of manufacture: USA,            Date of manufacture: ____
Diameter: 14.5 cm,      Weight: 41.1gms
Materials: all plastic
Cursor: none
Scales: 10, specialized
Front: Register Reading, Scale Factor, Probability, Fractional Error, Counts/Min, Time
Back: Activity, Number of Half-Lives, Coincidence Loss, Resolution Time,
Condition: C2-C3 (Mint to very minimal signs of use)
Came with: instructions and plastic slipcase