13.022B London Shield Alternate

  • Ricks, Tom;Facets, Mar 1980, p4;
  • L/W=1.009
  • H/W=0.746
  • Vol/W^3=0.228
  • 51+9 Facets
  • Gear: 96
8 16 24 32 40 48 56 64 72 80 88 <96> W W L L C C P P PC 13.022B London Shield Alternate Ricks, Tom; FACETS, Mar 80, p4 Meetpoint implementation of 13.022. Girdle segments not quite equal. Apex facet crown. Angles for R.I. = 1.540 51 facets + 9 girdles 3-fold, mirror-image symmetry; 96 index L/W = 1.009 P/W = 0.475 C/W = 0.259 Vol/W³ = 0.228 pc13022b.asc