Blundell Omega 407 Technico

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Country of manufacture: England,            Date of manufacture: ____
Overall length: 30.3 cm,          Width: 5.2 cm,           Weight: 141.7 gms
Materials: Plastic closed form simplex
Cursor: 3.5 X 5.0 X 0.4 cms; plastic lens; lines = Three on front
Scales: 17, extensions on C, D
Front: 11 in / K, LL1, LL2, DF [ CF, CIF, CI, C ] D, P, LL3, A
Slide Back: S, S&T, T, M
Back: blank
Gauge Marks: [π, C, C₁, ρ, ρ', ρ'' ]
Condition: C4 (Minimal signs of use)
Came with: Original dark green cardboard case

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