FIGS 8A, 8B show an electromagnetic radiation device, preferably a UV LED “tin can” 80 positioned under a knob 82 in {HEAD ~ a recessed area} with the radiation pointed downward or sideways at {TAIL ~ a surrounding disc} or saucer shaped dial 84 that is treated with phosphorescent or fluorescent material 
FIGS 8A , 8B show an electromagnetic radiation device , preferably a UV LED “ tin can ” 80 positioned under a knob 82 in { HEAD ~ a recessed area } with the radiation pointed downward or sideways at { TAIL ~ a surrounding disc } or saucer shaped dial 84 that is treated with phosphorescent or fluorescent material
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH