Disappointed to see the dots around it all appear to be the same spacing. They should be at different spacing, corresponding to strobe sync with 50 and 60 hz mains and 33.33 and 45 RPM. Hence four rings with different number of dots around the perimeter.
alt Hacker News
Disappointed to see the dots around it all appear to be the same spacing. They should be at different spacing, corresponding to strobe sync with 50 and 60 hz mains and 33.33 and 45 RPM. Hence four rings with different number of dots around the perimeter.