Unclassified
Elephant clock
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Unclassified
Elephant clock
Medieval invention by Al-Jazari
rare · Q851797
Related cards · timepiece
See all 29.jpg/330px-Astronomical_Clock_(8341899828).jpg)
Places
Prague astronomical clock
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Unclassified
Metronome
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0copies owned
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Unclassified
Quartz clock
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0copies owned
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Places
Armillary sphere
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Unclassified
Hourglass
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0copies owned
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Places
Orrery
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Related cards · clock
See all 235.webp/330px-Antikythera_Fragment_A_(Front).webp)
Organizations
Antikythera mechanism
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Places
Big Ben
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0copies owned
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Unclassified
Casio F-91W
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0copies owned
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Unclassified
Clock of the Long Now
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0copies owned
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.jpg/330px-Self-winding_wristwatch_(transparent_backside).jpg)
Unclassified
Automatic watch
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0copies owned
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Unclassified
Caesium standard
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0copies owned
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Related cards · measuring instrument
See all 718
Unclassified
Astrolabe
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0copies owned
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Unclassified
Barometer
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0copies owned
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Unclassified
Anemometer
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0copies owned
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Unclassified
Accelerometer
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0copies owned
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Unclassified
Ammeter
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0copies owned
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Unclassified
Bolometer
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0copies owned
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