Heller, Samuel; Official Gazette for Patents (US) (1916);
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 1 3 5 7 911131517192123252729313335373941434547495153555759616365676971737577798183858789919395 | |
| P1 | 57.34° | 3 91521273339455157636975818793 | |
| P2 | 53.00° | 618304254667890 | |
| P3 | 48.00° | 618304254667890 | |
| P4 | 43.00° | 618304254667890 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 36.61° | 915333957638187 | |
| C2 | 28.73° | 321274551697593 | |
| C3 | 25.00° | 96244872 | |
| T | 0.00° | 96 |