K&E Associated Spring Corporation Belleville Spring Washer Computer

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Country of manufacture: USA,            Date of manufacture: c1967
Overall length: 31.2 cm,          Width: 4.1 cm,           Weight: 67.6 gms.
Materials: all plastic
Cursor: 2.6 X 4.9 X 0.7 cms; plastic; lines = single hairline, front & back
Scales: 17, Specialized
Front: Load Flat [ O.D., O.D./I.D., h/t, O.D./I.D., O.D./I.D., E/1-σ², h/t, O.D./I.D. ] Stress
Back: Load Flat [ O.D., O.D./I.D., E/1-σ², O.D./I.D., h/t] Thickness
Condition: C1-C2 (Mint but no box, Iinstruction booklet shows a little wear)
Came with: Original black leather slipcase with "Associated Spring Corporation" imprint, instruction booklet

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