Old vintage analog tube signal generator for communicating with pilots on old aircraft with many settings and adjustment switches and knobs with a sca

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Old vintage analog tube signal generator for communicating with pilots on old aircraft with many settings and adjustment switches and knobs with a scale of levels and frequency

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Size: 8256px × 5504px
Location: America
Photo credit: © Vitaliy Borushko / Alamy / Afripics
License: Royalty Free
Model Released: No

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