K&E 4031 Mannheim 5"

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Country of manufacture: USA,            Date of manufacture: ____,         Serial No.: 91611
Overall length: 13.8 cm,          Width: 2.7 cm,           Weight: 23.4 gms
Materials: Closed form simplex; celluloid laminate over mahogany
Cursor: 2.1 X 3.1 X 0.5 cms; plastic runners, unframed glass lens; lines = single hairline
Scales: 9
Front: 5 in // A [ B, C ] D || 12 cm
Slide Back:      S, L, T
Gauge Marks: [π, 785, //, / ]
Back: physical constants, conversion factors
Condition: C4-C5 (Minimal to Normal signs of use)
Came with: Original brown leather case, flap broken off.

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