Aristo 90126 Hydraulic Pressure Loss Slide Rule

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Country of manufacture: Germany,            Date of manufacture: ____
Overall length: 35.9 cm,          Width: 6.6 cm,           Weight: 185.5 gms
Materials: PVC stators and slide; glued-on plastic end braces on back; rubber bumpers on both sides
Cursor: 6.0 X 7.4 X 1.0 cm; all plastic, slightly magnifying; lines = Three on front, four on back
Scales: 17, all specialized except C & D
Front: E, EN, F [ G, V, Z ] NN, N, U, J
Back: A, W [ Y, X, C ] D, Q
Gauge Marks: [π]
Condition: C2 (Mint, but no manual)
Came with: Original gray/white cardboard case/box

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