https://www.merriam-webster.com/dictionary/Shortt%20clock
SHORTT CLOCK Definition & Meaning - Merriam-Webster
The meaning of SHORTT CLOCK is an accurate clock having an improved free pendulum.
shortt clockdefinitionmeaningmerriamwebster
https://hackaday.com/tag/shortt-clock/
Shortt Clock | Hackaday
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