Andy, this is how I added a DRO to the Minor. The DRO is simple type from Arceurotrade. Then I just took a piece of aluminium plate and bored a hole in it to be a slide fit over the spindle assembly. There is a caphead screw out of sight which acts as a locking screw to stop the plate swivelling.
The plate is then useful for hanging clocks off…but you lose the depth stop which I miss very rarely.
I drilled and tapped a hole for a mounting plate in the mill casting to hang the DRO off.
I have a graph somewhere of the the DRO readout plotted against the manual readout off the fine feed, apart from a stiction/backlash problem the graph wanders about all over the place!
