The distance of one axis is set and fixed with
the previously centered ruler. The other axis re-
mains open.
Remove the glabella support. Insert the face-
bow with the axis pin into the bore of the open
axis, and move it towards the center, until it is
possible to hook in the fixed axis of the other
side.
The second axis can now be locked. The two
axes must be positioned in equidistance.
The face-bow is now resting on the bite fork
joint, propped up on the white pedestal support.
Carefully move the bars of the bite fork support
upwards to the bite fork, for further stability.
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