Baltimore lectures on molecular dynamics and the wave theory of light (1904)
Kelvin, William Thomson, Baron, 1824-1907 · London : C. J. Clay and sons; Baltimore, Publication agency of the Johns Hopkins university · leaf 647
andparallel hexagonal faces, neither the quadrilaterals nor thehexagons being necessarily plane. Each of the thirty-six edgesmay be straight or crooked or curved; the pairs of opposite edges,whether of the quadrilaterals or hexagons, need not be equal and * See footnote to § 12 above. 616 APPENDIX… … EQUIVOLUMINAL CELLS WITH MINIMUM PARTITIONAL AREA. 617 whether quadrilateral or hexagonal, must be equal and parallel.I have described an interesting case of partitioning by tetrakai-dekahedrons of curved faces with curved edges in a paper*published about seven years ago. In this case each of…
Light, Wave theory of · Molecular dynamics · Ether (Space)
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