When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
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.
possible traces of use! scuffs on the glass
The photos are real.
I'm ready to answer all questions
I will pack the goods securely!