Mill line
Coil Quiet Dial
Put edge-spring and noise-walk columns on one dial.
The dial lists which columns record edge noise, which columns stay blank, and who dates the sheet. That is noise-column filing. It is not a spring catalogue and it does not promise a quiet result.
On the mark
- Edge columns
- Blank columns
- Date line
- Return comparison
Left off
- Spring prices
- Quiet-result promises
- Invented lab scores