A triple point may have a convex Mach stem, in which case the SS points upward.

[…]apoastra (i) and the circle of the periastra (2).

Auyſing the bright bemes of theſe fayer Iyes where he is that myn oft moiſteth & waſſheth Avising the bright beams of these fair eyes, Where he is that mine oft moisteth and washeth; […]

[…] and therefore [the Soul of Man] is well pleased when it meets with any outward Object that fits and agrees with those congenite Ideas her own nature is furnished with.