| Tone Number. | Percentages. | ||
|---|---|---|---|
| Black. | White. | ||
| 1 | 100 | ||
| 2 | 98 | 2 | |
| 3 | 94.5 | 5.5 | |
| 4 | 89.5 | 10.5 | |
| 5 | 83 | 17 | |
| 6 | 75 | 25 | |
| 7 | 67.5 | 32.5 | |
| 8 | 58.5 | 41.5 | |
| 9 | 47 | 53 | |
| 10 | 30 | 70 | |
Note.—The percentages given in the preceding tables may not in all cases be precisely those actually contained in the colors on the Plates, since absolute precision in reproduction is hardly possible. All that can be claimed is a reasonably close approximation to the ideal.