Answer | Crossword Clue |
---|---|
XENON | Radio-tube gas |
ARGON | Radio tube gas |
ARGON | Radio tube gas. |
ARGON | Radio-tube gas |
XENON | Radio tube gas |
XENON | Tube gas |
NEON | Tube gas |
ARGON | Tube gas |
ARGON | Vacuum tube gas |
ARGON | Fluorescent tube gas |
NEON | Light-tube gas |
ARGON | Vacuum-tube gas |
NEON | Glow-tube gas. |
NEON | Glow tube gas. |
NEON | Gas in a tube |
ARGON | Gas in a vacuum tube |
ANODE | ... ray (stream of positive ions in a gas-discharge tube) |