Rare vintage Danish Slide Ruler DIWA RIETZ-IDEAL No 1-1 sliderule, calculator For Sale -

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Rare vintage Danish Slide Ruler DIWA RIETZ-IDEAL No 1-1 sliderule, calculator :
$12.99

Danish Slide Ruler DIWA RIETZ-IDEAL NO 1-1in original case and with instruction pampletIn great shape, slides greatTrigonometry,Mathematics, Engineering Calculator

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