Related Clues:

• Glowing discovery of 1898
• Nighttime lure
• Gaseous attention-getter?
• Eye-catching sign type
• Broadway flasher
• Conductor seen at night
• Brilliantly colored
• Sign-enhancing gas
• Tube gas
• Bright night light
• Element number 10
• A noble gas
• Nightclub light
• Hard on the ears
• Advertising sign element, perhaps