Pickett N1072-ES Connecticut Spring Company Spring Design Slide Rule

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Country of manufacture: USA,            Date of manufacture: _____
Overall length: 30.9 cm,          Width: 3.2 cm,           Weight: 77.6 gms
Materials: all aluminum, adjustable
Cursor: 2.4 X 4.3 X 0.6 cms; all plastic, adjustable; lines = single, front and back
Scales: 12, specialized
Front: dh [ Dc, DT, N ] MTR
Back: T=ratio b/h, D [ dh, Wahl factor D/d, C=b/h, M or P ] Stress
Condition: C0 (Mint with all accessories
Came with: Box, case and instructions

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