DIFFERENTIATION OF CHORDS
Text: "The breaking up of a cyclone will open a field for future research, if any way can be discovered for obtaining the chord of mass of the cyclone. To differentiate the chord of its thirds would destroy it;" Chapter 9 of (1)
See Also: FORCE-WIND; CHORD; VORTEX; DIFFERENTIATION OF MASS; REFRACTION; EXTERNAL TRANSLATION OF ENERGY
Source: 1