Logarithmic ruler Round line Vintage round line Made in ussr Logarithmic meter Ancient calculator USSR round line Old deals calculator KL-1 ruler

deals Soviet pocket "Logarithmic ruler"
Released in the era of the Soviet Union in the 1960s.
Good, working condition. (Close to new)
In the full original.

************************

Case dimensions:
Case size 53 mm (with crown)

*************************

Best regards,
Alex