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or boiling ley, be had from the composition. If too weak leys are used, there is a danger incurred of spoiling the whole soap, which is hardly to be righted again.
To guard against this great evil, observe the following rule: Suppose there is three leys of different qualities to be boiled with, two of them is over weak, one is too strong; try their strength mixed together, thus:
| drams. | drams. | |||||||
| 3 | pails, | or | couls, | at | 16 | each, | is | 48 |
| 3 | ditto, | ditto, | at | 10 | ditto, | is | 30 | |
| 3 | ditto, | ditto, | at | 8 | ditto, | is | 24 | |
| 9 | 102 | |||||||
| 9) | 102 | (11 39, or 13, the standard for boiling ley. |
| 9 | ||
| 12 | ||
| 9 | ||
| 3 |
