Aristo (Dennert & Pape = gwr) WWII Artillery Slide Rule

Country of manufacture: Germany,            Date of manufacture: 1942-45
Overall length: 38.1 cm,          Width: 4.3 cm,           Weight: 146.7 gms
Materials: PVC body and slide
Cursor: 12.6 X 4.2 X 0.6 cms; metal runners holding plastic lens; lines = 2 lines and scale on front only
Scales: 7, specialized
Front: Em, Gerätekonst. // Ablage in Winkelsekunden [ Ablage in M, Wahre in hm ] Gerätekonstante || 36 cms.
Back: Calculation Examples: 1. Measurement by Distance, 2. Measurement by Height
Gauge Marks: [      ]
Condition: C4-C5 (minimal to normal signs of use)
Came with: Original heavy cardboard case