Kraus, John; Official Gazette for Patents (US), 4 Oct 1921;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 80 2 4 6 81012141618202224262830323436384042444648505254565860626466687072747678 | |
| P1 | 51.05° | 2 6101418222630343842465054586266707478 | |
| P2 | 45.99° | 2 6101418222630343842465054586266707478 | |
| P3 | 41.00° | 2 6101418222630343842465054586266707478 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 40.25° | 2141830344650626678 | |
| C2 | 37.02° | 6102226384254587074 | |
| C3 | 34.00° | 824405672 | |
| C4 | 24.52° | 824405672 | |
| T | 0.00° | 80 |