Aristo 109 Rietz

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Country of manufacture: Germany,            Date of manufacture: ____
Overall length: 54.6 cm,          Width: 4.1 cm,           Weight: 102.2 gms
Materials: Closed form simplex, PVC body and slide
Cursor: 4.2 X 3.8 X 0.6 cms; metal framed glass lens; lines = 3
Scales: 12, extensions on A, B, C, CI, D
Front: 50 cms // K, A [ B, CI, C ] D, L || 1:25 scale
Slide Back:       [ S, S&T, T ]
Gauge Marks: [ π, C, C1, ρ', ρ'', Q,, ]
Back: Physical Properties of Metals, Numerical Constants, Electrical Conversion Factors
Condition: C5 (Signs of normal use)
Came with: original black cardboard case, ends taped up

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