Logarithmic CIRCULAR Sliding Rule TWO SIDE USSR

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Logarithmic CIRCULAR Sliding Rule TWO SIDE USSR :
$30.00

The circular slide rule CL-1The line looks very similar to a mechanical stopwatch, but there is no clock mechanism, and instead of buttons - rotating head, with a single twist of the arrow, with another - a movable dial.
Unlike conventional slide rules, it does not allow to consider logarithms and cubes, precision down one bit, well, as usual ruler vospolzueshsya she did not (and do not scratch your back), but it is very compact, it can be carried in a pocket.
1. Body.2. The head with a black dot.3. Head with a red dot.4. Moving the dial.5. Fixed pointer.6. The basic scale (counting).7. The scale of the number of squares.8. Arrow.9. Fixed dial.10. Counting Scale.
state this as a new line. excellent.look at my fotorafii.See all my sales.Come to my shop.
Shipping to: Worldwide
The United States, the European Union - delivery time is about 14 days.Other countries - Delivery time about 21 days.Handling Time: Item will be shipped within 1-3 business days after payment is received.Across Germany and the European Union delivery at the price of post transportation.We are shipping via registered airmail during 2-3 working days after payment is received.Usually it takes about 4-10 days for a package to arrive to Europe, 10-14 days to USA, Canada and Asia, and 14-21 days to Australia.Delivery to Italy unfortunately may take from 14 days up to 2 monthes due to slow work of Italian post service.
We accept payments through PayPal. Payment must be received during 10 days after sale end. Otherwise we can\'t guarantee availability of it. We are not responsible for any customs tax that can be charged in a country of delivery. Please, get known the customs rules in your country before offerding.
If you have any problems with delivery or the item,please let me know so we can talk and solve the problem together.