This is a very interesting Big vintage rare slide rule. It is made in Leningrad, USSR in 1970 s. There are different scales on it and it is 28 cm long. The rule is made of white plastic and wood.
It is a great collectible item for mathematicians.
Model Logarex GOST 5161-57.
In very good vintage condition with small signs of time.
I use the services of official Bulgarian Post Offices for sending the items. I will ship all items securely packed, recommended and with tracking number. International shipping time varies, but it shouldn't take any longer that 21 days. Taxes or customs fees for overseas shipping is responsibility of the buyer.
Price does not include shipping.
****** If you have questions, I will be glad to contact me.