luminescent mercury and gas filled tube
Date: circa 1930
Inventory Number: 1998-1-1563
Classification: Discharge Tube
Dimensions:3.8 x 9.5 x 3.8 cm (1 1/2 x 3 3/4 x 1 1/2 in.)
Description:
A glass tube consisting of a sphere with an almost cylindrical side tube that has a tip on its end. It is filled with an undetermined gas as well as mercury vapor and visible droplets of mercury.