Round the top of the scale, at D, are engraved four different draughts, and under these are the metacentric heights.
"Scientific American Supplement, No. 385, May 19, 1883" by Various
Thus, for instance, the archecentric condition of any Avian structure is a metacentre of the Sauropsidan stem.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1" by Various