Thornton 3649

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Country of manufacture: England,            Date of manufacture: ____
Overall length: 30.2 cm,          Width: 3.6 cm,           Weight: 117.5 gms
Materials: celluloid laminate over mahogany
Cursor: 4.1 X 4.0 X 0.6 cms; metal; framed glass, adjustable; lines = single line on front
Scales: 12, extensions on A, B, C, CI, D
Front: 27 cm // LL2, A [ B, CI, C ] D, LL3 || 10 in.
Slide Back: S, L, T
Back:decimal equivalents, conversion factors, physical constants
Gauge Marks: [ π, M, 785, C, C1 ]
Condition: C4-C5 (minimal to normal signs of use)
Came with: Original green cardboard box

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Well and Back of Slide

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