Pickett 575 M W Kellogg Hydraulic Slide Rule

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Country of manufacture: USA,            Date of manufacture: ____
Overall length: 30.9 cm,          Width: 3.8 cm,           Weight: 96.5 gms
Materials: all aluminum, adjustable
Cursor: 2.9 X 5.0 X 0.9 cms; all plastic, slightly magnifying, adjustable; lines = single line, front and back
Scales: 25, specialized
Front: A, B1 B2 B3 [ Vapors: D-1, D-2, Density-Velocity, Z, F-2, Density-ΔP, F-1 ] J
Back: A, B1 B2 B3 [ Liquids: C-2, C-1, E-2, sp. gr @60°F, Expansion Factor-ΔP, Z/5, Expansion Factor Velocity, E-1 ] H
Gauge Marks: [       ]
Condition: C2-C3 (Mint to very minimal signs of use)
Came with: Original black leather case (not mint condition), Instruction card

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