driving clock

noun

1
: a mechanism for turning an equatorial telescope or a coelostat around its polar axis at the proper rate to keep a celestial body in the field of view
2
: a driving mechanism for a chronograph or other recording mechanism

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Cite this Entry

“Driving clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/driving%20clock. Accessed 21 Nov. 2024.

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