1951 FREDERICK POST CO VERSALOG SLIDE RULE INSTRUCTION BOOK HARD COVER

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1951 FREDERICK POST CO VERSALOG SLIDE RULE INSTRUCTION BOOK HARD COVER :
$4.69

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Versalog slide rule instructions 1951 edition. Signs of wear, see photos.

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1951 FREDERICK POST CO VERSALOG SLIDE RULE INSTRUCTION BOOK HARD COVER :
$4.69