National Park Service Museum Collections - "American Revolutionary War: Morristown National Historical Park"

[photo] See caption below for details.
Wine Tester
18th Century
Made by J & J Gardner, Mathematical Instrument makers, Glasgow
The glass balls were floated on the surface of the wine to determine density.
Wood, glass, paper. H (with lid) 3.8, W 23.5 cm
Morristown National Historic Park, MORR 4337