Aristo 956 Bildflug Photogrammetry Slide Rule

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Country of manufacture: Germany,            Date of manufacture: >= 1959
Overall length: 33.9 cm.,          Width: 4.8 cm.,           Weight: 120.2 gms
Materials: All plastic (PVC); plastic end braces glued onto back
Cursor: 3.8 X 5.7 X 0.9 cms; all plastic, adjustable; lines = 1 on front, 4 on back
Scales: 14, some specialized; extensions on A, B, CI, C, D
Front: Geländestrecke (feet) [ Bildstrecke (cm), Bildstrecke (feet), Brenweite (inches) ] Flughöhe (feet)
Back: T, K, A [ B, CI, C ] D, ST, S
Gauge Marks: [ π ]
Condition: C2 (Mint, but no manual)
Came with: Original gray cardboard case, lettered: "Gehört zum Satz Arbeitskasten Luftbildauswerter"

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