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A. Lange & Söhne

proud tradition of non-proportionality

 

Non-proportionality in dial faces dates back thousands of years:  think of sundials.  The reason for that non-proportionality is roughly analogous to the reason Mr. Chong identified for non-proportionality in the PR indicator:  the angle of the shadow cast by the sun changes at varying rates as the sun moves across the sky.

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