Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Rare USSR For Sale

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Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Rare USSR:
$50.00

Logarithmic Ruler KL-1Slide rule KL-1 Round ruler-counter Rare USSR
in a good condition! everything is spinning
Please look at all photos carefully - you are purchasing exactly what is shown in the photos.
The photos are real.
possible traces of use! scuffs on the glass
I'm ready to answer all questions
I will pack the goods securely!