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 | 0000-122875 |
| Size | 1/2"-13 x 3 1/2" |
| UnitCount | 200 |
| ReleaseDate | 0000-00-00 |