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 |