Ten ox hides, taken the 17th of August, were completely tanned by the 6th of September, in all, twenty days.
| Washing the hides, | 2 days. |
| Taking off the hair, | 5 do. |
| Raising or swelling, | 5 do. |
| Second washing, | 2 do. |
| Tanning, (properly so called,) | 6 do. |
| 20 days. |
Ten ox hides, taken the 19th of July, were tanned the 9th of August, making twenty-one days.
| Washing, | 2 days. |
| Taking off the hair, | 10 do. |
| Swelling, | 1 do. |
| Tanning, | 8 do. |
| 21 days. |
One ox hide, taken the 3d of September, was tanned the 2d of October, making twenty-nine days.
| Washing, | 1 day. |
| Taking off the hair and swelling, | 3 do. |
| Tanning, | 25 do. |
| 29 days. |
Another ox hide, taken the 5th of September, was tanned the 3d of October, making twenty-eight days.
| Washing, | 1 day. |
| Taking off the hair and swelling, | 2 do. |
| Tanning, | 25 do. |
| 28 days. |
N.B. The tanning solutions made use of to these hides was less strong, and of a cooler temperature than usual, by which the time employed in the tanning operation was prolonged.
Calf Skins.