Thornton 150 Advanced

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Country of manufacture: England,            Date of manufacture: ____
Overall length: 36.0 cm,          Width: 5.1 cm,           Weight: 110.3 gms
Materials: all plastic, plastic end braces glued onto back and front of rule
Cursor: 3.9 X 5.7 X 0.9 cms; all plastic (also plastic 'spring'); lines = single line front only
Scales: 12, no extensions
Front: LL₁, LL₂, LL₃, A [ B, CI, K, C ] D, S, ST, T
Back: Blank
Gauge Marks: [ π, 1745, S (2063), L (2303), m (3438), U (5730) ]
Condition: C3-C4 (Very minimal to minimal signs of use)
Came with: Original two piece dark plastic case

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