Historical clue formulations

• Ball pit? — 2026-06-07
• Power point? — 2021-04-08
• Holder of an eye or a light bulb — 2017-09-18
• Bulb holder — 2005-01-24
• Eye holder — 2004-09-07
• Hole in the wall? — 2004-04-04
• Kind of wrench — 1997-11-28