This serial number data is from the Serial Number Reference Book for Metalworking Machinery (1959 edition).
| Serial No. | Type | Machine Description | Date |
| 4540 | Power Hack Saws | #4B Hack Saw | Dec 1935 |
| 42320 | Power Hack Saws | #4B Hack Saw | Dec 1947 |
| 6419 | Power Hack Saws | #6 & 6A Hack Saws | Dec 1935 |
| 8071 | Power Hack Saws | #6 & 6A Hack Saws | Dec 1947 |
| 9278 | Power Hack Saws | #9 & 9A Hack Saws | Dec 1935 |
| 11871 | Power Hack Saws | #9 & 9A Hack Saws | Dec 1947 |
| 454180 | Power Hack Saws | #18 Hack Saw* | Dec 1947 |
| 24009 | Power Hack Saws | #24 Hack Saw | Dec 1947 |
| 8407 | Power Hack Saws | #8 Hack Saw | Dec 1927 |
| 8676 | Power Hack Saws | #8 Hack Saw | Dec 1929 |
| 8898 | Power Hack Saws | #8 Hack Saw | Dec 1935 |
| 83090 | Power Hack Saws | #8 Hack Saw | Dec 1947 |
Notes:
Number 18 Hack Saw production started in 1936.
Numbers 1 & 2 Hack Saws were not numbered.