Unclassified
Fibre-optic gyroscope
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Unclassified
Fibre-optic gyroscope
Gyroscope that uses fiber optics
rare · Q2141325
Related cards · optical instrument
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Unclassified
Camera lucida
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Unclassified
Advanced Combat Optical Gunsight
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Unclassified
Contact lens
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Unclassified
Camcorder
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Unclassified
Binoculars
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Meta topics
AN/PSQ-42
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Concepts
Parallax
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Unclassified
Low-background steel
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Meta topics
Oscilloscope
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Places
Armillary sphere
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Concepts
Sexagenary cycle
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Unclassified
Weighing scale
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Unclassified
Astrolabe
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Unclassified
Barometer
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Unclassified
Anemometer
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Unclassified
Accelerometer
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Unclassified
Ammeter
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Unclassified
Bolometer
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