Berger M2150 Trigolog (similar scale arragement as Faber-Castell 2-82)

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Country of manufacture: Germany,            Date of manufacture:____
Overall length: 33.3 cm,          Width: 4.8 cm,           Weight: 109.4 gms
Materials: plastic stators and slide, metal end braces, adjustable
Cursor: 4.2 X 5.8 X 0.9 cms; all plastic; lines = five hairlines on front, three on back
Scales: 22, extensions on A, B, BI, CI, C, D
Front: T₁, T₂, A [ B, BI, CI, C ] D, P, S
Back: LL03, LL02, LL01, K [ K', L, ST, CF ] DF, LL1, LL2, LL3
Gauge Marks: [ π, e, 1/e, π/4, C, C1, ρ, M ]
Condition: C2-C3 (Mint to very minimal signs of use)
Came with: Original brown leather case, instructions (identifying rule as 'Trigolog')

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