Acu-Math No 150 slide* rule with Case F*S
$43.49
Acu-math 150 - Log Log Decimal Trig, Black substrate - pre 1968With Original Case - Very Good ConditionMade in USA by AcumathFront ScaleLL01, K, A [ B, T, ST, S ] D, L, LL1Back ScaleLL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2 Made in the USA FREE standard shipping to the 48 contiguous United States
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