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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. Lower stator pinned in three places.

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