made in 1967 vintage Soviet Russian circular SLIDE RULE KL-1 calculator

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made in 1967 vintage Soviet Russian circular SLIDE RULE KL-1 calculator:
$38.00

Dear Customer! This is Russian circular slide rule KL-1. It is in good working condition although it has signs of age and use. It was made on 27th of November in 1967 in USSR.It can do: multiplication, division, squaring, extraction of a square root, finding of trigonometric functions of a sine, finding of trigonometric functions of a tangent, finding inverse trigonometric functions (of sines and tangents), calculation of the area of a circle.
There is on the Internet its manual translated into English.Please see actual pictures.
I accept PayPal.I ship via registered airmail with a tracking number to any country except of my exclusion list. You pay $9 for its shipping. I don\'t respond for any additional fees, taxes or duties you may be charged by your customs.

On Jun-27-16 at 03:38:49 PDT, seller added the following information: