| Brand | Hard |
| Model | 273A |
| Serial Number | 49341 |
| Equipment Type | Universal Internal Grinder |
| Brand | Heald |
| Model | 273A Universal Internal |
| Serial Number | G2795 |
| Equipment Type | Internal Grinder |
| Brand | Heald Cincinnati Milacron |
| Model | 74 |
| Equipment Type | Internal Grinder w/ Extended Bridge |
