[–] Lutzb 2y ago ↗ My dentist had one on the reception counter a long time ago. Always fascinated me as kid. [–] Lutzb 2y ago ↗ There is also a wikipedia page https://en.wikipedia.org/wiki/Rolling_ball_clock
[–] h2odragon 2y ago ↗ bought several of these at yard sales, re-aligned them and made them work again.I'd never keep one long, people would see one running and offer irresistible trades for it. They were so loud i expect they went back into closets before long.
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[ 2.5 ms ] story [ 23.5 ms ] threadI'd never keep one long, people would see one running and offer irresistible trades for it. They were so loud i expect they went back into closets before long.