¶ Perpendicular
← Perpendicularity | Perpendicular Perpendicularity (1) →
Index Entry
Perpendicular:
“The minute you know you are on a sphere or spheroid, you know that none of the perpendiculars are parallel to one another,”
¶ Citations
- RBF to SIMS Seminar, U. Mass, Amherst, 22 July 1971.
