Wine diagonal, 1797-1826.

Wine diagonal, 1797-1826.
Wine diagonal, a type of gauging rod, by J.Stutchbury, 1797-1826. These were used by Excise Officers together with slide rules to calculate the volume of wine in wine casks, and thence the duty payable. Until 1826 the volume of a wine gallon was different to that of an ale gallon.
 
Currently on display in:
Mathematics
Year made :
1797-1826
Inventory number :
1972-257
 

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