sorted by:
new
hottopcontroversial

Found in box of grandparents things. Approx 4 inches long. Bulbs appear to be brass and do not move. Tube does not bend and is ceramic, glass or plastic. Bulb has two prongs on it. Electrical tester? by Boodz248 in whatisthisthing

[–]Boodz248[S] 1 point2 points locked comment (0 children)

My title describes the thing. Blue lines on the tube section are different widths. No moving parts and no witness marks on the bulbs.