The copies of the system it rests on.
The length of this system's paper, unstretched, for a length of the reference system's: one for the reference copy's own system, about 0.77 for a Licensee or green re-cut of a red roll. It is the ratio of the paper speeds the two were cut for.
The standard uncertainty of the ratio.
The system, by the id of its bar.
A place on the axis times this is millimetres of this system's
paper, unstretched: what a performance of one of its versions runs
on (RollProperties.toOwnPaper).
The standard uncertainty of toOwnPaper.
What the alignments say about the paper the copies of one system were cut on.