Geometric construction of the regular decagon and pentagon inscribed in a circle, by Henry H. Ludlow.
| Country | USA |
| Brand | ASMC Industrial |
| Manufacturer | ASMC Industrial |
| ItemPartNumber | 0000-115455 |
| Size | 3/8"-16 x 1 1/4" |
| UnitCount | 100 |
| ReleaseDate | 0000-00-00 |