what is the most valuable clock in the united states?

2007-01-28 08:15:54 · 2 answers · asked by bibin 1 in Arts & Humanities ➔ History

The atomic clock in the bureau of weights and standards. If it goes bad, all time will be off all across the country.

2007-01-28 09:42:06 · answer #1 · answered by Christmas Light Guy 7 · 0⤊ 0⤋

Doomsday clock..

2007-01-28 16:39:19 · answer #2 · answered by Anonymous · 0⤊ 0⤋

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