Heller, Philip; Official Gazette for Patents (US), 6 Feb 1945, p167;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 1 3 5 7 911131517192123252729313335373941434547495153555759616365676971737577798183858789919395 | |
| P1 | 61.00° | 3 91521273339455157636975818793 | |
| P2 | 60.00° | 9612243648607284 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 48.81° | 4 8283252567680 | |
| C2 | 45.85° | 18426690 | |
| C3 | 44.59° | 6305478 | |
| C4 | 42.00° | 2101422263438465058627074828694 | |
| C5 | 37.00° | 9612243648607284 | |
| C6 | 28.60° | 4 81620283240445256646876808892 | |
| C7 | 26.08° | 18426690 | |
| C8 | 24.94° | 6305478 | |
| C9 | 23.68° | 18426690 | |
| T | 0.00° | 96 |