One thing to consider about using the bb face as a reference is that they are often distorted in (narrower) towards the top. Got to check from both sides. Paul Brodie has some videos about that. This is why a lot of builders use the head tube as the reference. Of course, that's not a low-cost quick method.
Originally Posted by
Doug Fattic
I think regular steel frame usurers would be shocked at how poorly many frames are out of alignment from poor building methods. .
OP's frame appears to have a crooked brake bridge, so the dropouts not being even would not be surprising in the least. I used to tell people that it's not that hard to build a frame without a fixture. Then later I found out that the one time I build one that way, it was poorly aligned. But at least the dropouts were even and I eventually got it aligned and it's a really good frame. British builders often built by eye, and it shows.