tan-vat

I bought some leather from a tan-vat while in southwest

The end of an era, 1899

They would be suitably used wherever an astringent is required in medicine, and should be added with the leaves to the tan-vat.

Resources of the Southern Fields and Forests, Medical, Economical, and Agricultural. Being also a Medical Botany of the Confederate States; with Practical Information on the Useful Properties of the Trees, Plants, and Shrubs 1863

Ef the calf's fat, the ole cow ain't got much choice betwixt the quogmire an 'the tan-vat. "

Mingo And Other Sketches in Black and White Joel Chandler Harris 1878