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Monday 7 May 2018 at 02:14
Quoted from o-din:OK, I've added some light to make it easier to see, and yes there is some dimpling. Which is obvious what will happen when you drop a bunch of steel balls on a 60 year old piece of wood without much protection in the first place.
Now let's compare it to that BM66 playfield from ear...
Source: http://pinside.com/pinball/forum/topic/steve-ritchie-discusses-pinball-playfield-dimpling/page/14#post-4383076