Category:Depictions of existing technologies decades before their invention
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See List of existing technologies predicted in science fiction. The predicted technologies are not necessarily accurate in detail.
Media in category "Depictions of existing technologies decades before their invention"
The following 2 files are in this category, out of 2 total.
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Cartoon dynamo.jpg 1,000 × 1,343; 415 KB
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Diagnosis By Radio, 1925 (telemedicine).webp 750 × 733; 115 KB
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