Traditional names and sizes of Slates
| Empress |
26 x 16 |
| Princess | 24 x 14 |
| Duchess | 24 x 12 |
| Small Duchess | 22 x 12 |
| Marchioness | 22 x 11 |
| Broad Countess | 20 x 12 |
| Countess | 20 x 10 |
| Small Countess | 18 x 10 |
| Viscountess | 18 x 9 |
| Wide Lady | 16 x 10 |
| Broad Lady | 16 x 9 |
| Lady | 16 x 8 |
| Wide Header | 14 x 12 |
| Header | 14 x 10 |
| Small Lady | 14 x 8 |
| Narrow Lady | 14 x 7 |
| Small Header | 13 x 10 |
| Doubles | 12 x 6 |
| Singles | 10 x 5 |
