Turnable database with TimeLine

Slightly, or a lot off topic! Just wondering, as very few have the timeline but most have a smart phone and a test tone record, if the Feickert app might be more readily accessible. See this Data Base.
http://www.stereo.net.au/forums/index.php?/topic/49224-turntable-speed/?hl=olderas#entry889328
It doesn't have the changing modulation variation that a piece of music has, but does have stylus drag, not quite the same thing, but a starting point. Seems like most of the TT's tested are absolutely fine with the timeline, but what about minor variations in speed resulting in small frequency shifts while maintaining overall 33 1/3 rotational speed?

Halcro, I agree the test record has an eccentric hole, as do most music records, so the variation in speed from the effects of warps or eccentricity is there on all records to some degree, do you think this makes a mockery of perfect rotational speed? Perhaps Nakamichi was onto something with their record centring mechanism. I have posted screen shots of the Feickert test on the TS 700 with and without centring, and it makes a considerable difference! I suspect the variations detected by the test tone +- 2 Hz at 3150Hz, would be undetectable with the time line. Did Nakamichi make the "best" TT of all time?:)