01.026 Compass Card

  • Murphy, Merrill O;Lapidary Journal, Apr 1969, p138;
  • L/W=1.000
  • H/W=0.671
  • Vol/W^3=0.226
  • 89+16 Facets
  • Gear: 64
6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 <96> L L U U W W T T C C P P PC 01.026 Compass Card Murphy, Merrill O; Lapidary J, Apr 69, p138 Angles for R.I. = 1.540 89 facets + 16 girdles 4-fold, mirror-image symmetry; 96 index L/W = 1.000 T/W = 0.486 U/W = 0.486 P/W = 0.461 C/W = 0.192 Vol/W³ = 0.226 pc01026.asc