Presecion of the axis. I think that's what it is called. Surveying will take it into account. Chances are todays methods and instruments are much more accurate than those of days gone by.
Egon
Presecion of the axis. I think that's what it is called. Surveying will take it into account. Chances are todays methods and instruments are much more accurate than those of days gone by.
Egon