If the tangent at P meets the asymptotes in R, R', then CR.CR' = CS 2.
They are repeated in Polygordius, and are exactly Cs.
CARBON BISULPHIDE, CS 2, a chemical product first discovered in 1796 by W.
Vogel, Jahresb., 18 53, p. 643), CS 2 -1-KHO+-R OH =H20+RO CS SK.
Hofmann), CS 2 +2NH 3 -->NH 2.