| System | Period | Rows | What it dates |
|---|---|---|---|
| Celestion speaker code (Vox era) | 1960–1967 | 89 | |
| Woden transformer date codes | 1963–1965 | 7 | |
| British component codes (TCC, Hunts, Mullard, pots) | the 1960s | 17 | |
| EIA component codes in Vox | whole era | 2 | |
| Serial plate and voicing letters | 1963–1964 | 5 | |
| Chassis makers: Burndept and Westrex | 1962–1964 | 2 | |
| Vox cosmetics by year | 1958–1985 | 26 |