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Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU345Linear
4108
4095
2
MilitaryKeuffel & EsserUSA
709529
Engine divided celluloid laminated mahogany
"10"
1963
C7

Notes: Special sliderule for US Military. Directions and formulas on back side. No model number on slide rule. Serial number on front side of slide and also each stator.

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