¶ Tetrahedron
Index Entry
Tetrahedron:
"Sixth powering is all the perpendiculars to the rhombic
dodecahedron which is all the internal truncations of
the tetrahedron."
¶ Citations
- Powering: Sixth Powering, 25 Aug’71
- RBF to EJA, Bear Island, 25 August 1971.
