SLIDE RULE MANNHEIM #400 SEALED CASE/MANUAL VINTAGE 1972 ACU MATH ACUMATH New Old Stock
SLIDE RULE MANNHEIM #400 SEALED CASE/MANUAL VINTAGE 1972 ACUMATH, By Sterling , New old stock never opened.
ACU-MATH NO. 400 MANNHEIM SLIDE RULE. Slide Rule factory sealed on card for retail. Manufactured by Sterling Plastic in 1972. It is 12 inch, white plastic slide ruler has Precision engraving. Comes with operating instruction and case. The package is a bit roughed up from being in storage.
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