Opus Antiques has dated this piece to the Georgian era.
Coffee beans are placed in the top and the ground coffee is retrieved from the base which unscrews. The handle which is a replacement folds away in the base.

These grinders were very expensive to make because they used expensive lignum vitae and steel for the internal grinding mechanisms. In the 18th century they cost approx 45 shillings to make, equivalent to around £230 or 22 days wages for a skilled tradesman.
c1760
All measurements are approximate.
Opus Antiques has dated this piece to the Georgian era.
Antique treen, boxes & decorative georgian items
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