Found this glass mushroom thing in a velvet-lined box at an estate sale. It has a metal connector at the bottom. Looks like part of a machine?

allowed for a diffuse distribution of the electrical current, making it suitable for treating areas like the back or abdomen. Its ergonomic design also made it comfortable to use, which likely contributed to its popularity among violet ray enthusiasts.
7. Safety Check: Is This Old Violet Ray Electrode Dangerous to Keep?
While violet ray machines were once commonplace, modern safety standards have rendered them obsolete due to potential risks. The high-voltage currents they produce can be dangerous, particularly if the device is damaged or improperly used.
However, the glass mushroom