Heller, Samuel; Official Gazette for Patents (US), 22 Jun 1920, p776;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 1 3 5 7 911131517192123252729313335373941434547495153555759616365676971737577798183858789919395 | |
| P1 | 49.00° | 96244872 | |
| P2 | 48.12° | 915333957638187 | |
| P3 | 42.97° | 12366084 | |
| P4 | 41.00° | 9612243648607284 | |
| P5 | 39.00° | 9612243648607284 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 37.00° | 96244872 | |
| C2 | 28.15° | 915333957638187 | |
| C3 | 25.53° | 618304254667890 | |
| C4 | 11.71° | 96244872 | |
| T | 0.00° | 96 |