Related Clues:
- Factory machinery, e.g.
- Inventor's ''step one''
- Bright one from gray matter
- Unconscious gaze (with the preceding space)
- Inventor's start
- Light bulb's signification, in cartoons
- Light bulb, in comics
- Mental glimmer
- Object of thought
- Head piece?
- Plus in the ledgers
- Surveyor's look
- Upside trait
- Creator's sine qua non
- Brainchild