scooby2do
I could be mistaken about the Pro-ject gauge, so I'd appreciate your clarification.
the Pro-ject does use a mirror as part of the alignment processBut that's for azimuth, correct? Something like a WallyTractor uses a mirror to set tangency and actually aligns the cantilever itself.
I could be mistaken about the Pro-ject gauge, so I'd appreciate your clarification.

