How To Use A Watch Bezel Slide Rule

[george_]

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If you've ever seen a watch with a slide rule bezel and haven't known how to use it, we have a little guide for you.As many of you know, watches with slide rule functions have 2 logarithmic scales (the outer of which turns). In contrast, a tachymeter scale is hyperbolic and typically has numbers that run in from infinity down to sixty. Both slide rule and tachymeter watches use non-linear scales. Let's look a bit at a generic scale.

http://www.ablogtowatch.com/how-to-use-a-watch-bezel-slide-rule/

[nostradamus]

Ετσι εχω το δικο μου εδω και καμποσο καιρο.

Μου δινει σχετικη μετατροπη μεταξυ ευρω και RON 

και ενα σχετικο βιντεο