Sixteen very thick calf skins, taken the 18th of July, were tanned by the 31st of the same month.
| Washing, | 1 day. |
| Taking off the hair, | 8 do. |
| Tanning, | 4 do. |
| 13 days. |
Six calf skins, taken the 19th of July, were tanned the 2d of August, making fourteen days.
| Washing, | 2 days. |
| Taking off the hair, | 9 do. |
| Tanning, | 3 do. |
| 14 days. |
Six dried calf skins, began the 14th of August, were tanned the 28th of August.
| Washing, | 2 days. |
| Taking off the hair and swelling, | 11 do. |
| Tanning, | 1 do. |
| 14 days. |
Six calf skins, began the 20th of August, were finished the 10th of September.
| Taking off the hair and washing, | 20 days. |
| Tanning, (properly so called,) | 1 do. |
| 21 days. |
Three calf skins were brought from another tan-yard, the operation of tanning had been begun upon them, they having been thirteen days in the tanpit, in which it was intended they should have remained eleven months, (which was the usual time allowed such skins in the old way of tanning;) two of these skins were tanned in twenty-four hours, the third was tanned in forty-eight hours.
Six other calf skins took thirteen days.