On a transparent planet
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The story is about a “fern flower” machine, which produces underground X-ray photography and, based on certain frequencies, can determine which mineral lies at what depth. It is convenient to search for minerals, precious stones, water in the desert, can be used for archeology, volcano research, etc.
FL/789071/R
Data sheet
- Name of the Author
- Георгий Гуревич Иосифович
- Language
- Russian