K&E N4053-3 Mannheim Polyphase

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Country of manufacture: USA,            Date of manufacture: ____
Overall length: 27.0 cm,          Width: 3.4 cm,           Weight:56.3 gms
Materials: Celluloid laminate over mahogany
Cursor: 2.6 X 3.8 X 0.6 cms; plastic runners, unframed glass lens; lines = single hairline
Scales: 11
Front: 10 in // A [B, CI, C] D, K || 25 cm
Slide Back:      [S, L, T
Gauge Marks: [π, 785, ' (1970), '' (1182) ]
Back: physical constants, conversion factors
Condition: C8 (Damaged, well-worn, much respected)
Came with: Nothing but good wishes
Notes: My first 'real' slide rule - given to me by George Freeman, Jr., when I was in High School; it had already been 'repaired' by the time I got it!

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