This serial number data is from the Serial Number Reference Book for Metalworking Machinery (1959 edition).
| Serial No. | Type | Machine Description | Date |
| 130 | Surface Grinders | #1 Precision Surface Grinder | Dec 1940 |
| 939 | Surface Grinders | #1 Precision Surface Grinder | Dec 1945 |
| 1020 | Surface Grinders | #1 Precision Surface Grinder | Dec 1947 |
| Serial No. | Type | Machine Description | Date |
| 130 | Rotary Grinders | 6” Rotary Grinder | Dec 1940 |
| 939 | Rotary Grinders | 6” Rotary Grinder | Dec 1945 |
| 1020 | Rotary Grinders | 6” Rotary Grinder | Dec 1947 |
| Serial No. | Type | Machine Description | Date |
| 5 | Back Spot Facing Machine | Back Spot Facing Machine | Dec 1940 |
| 315 | Back Spot Facing Machine | Back Spot Facing Machine | Dec 1945 |
| 316 | Back Spot Facing Machine | Back Spot Facing Machine | Dec 1947 |
| Serial No. | Type | Machine Description | Date |
| 101 | Lapping Machine | 24” Lapping Machine | Dec 1947 |