Written: Written on November 26, 1921
Published: First published on January 21, 1925 in the newspaper Ekonomicheskaya Zhizn No. 17. Printed from the original.
Source: Lenin Collected Works, Progress Publishers, 1976, Moscow, Volume 45, pages 387b-388a.
Translated: Yuri Sdobnikov
Transcription\Markup: R. Cymbala
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What’s this I see in Pravda today about Cheiko’s invention? Is this another canard? If this is in earnest, why print anything about remote-controlled explosions? Write me a couple of words; perhaps we should send an inquiry to Kharkov, or summon Cheiko, or have some specialist phone Kharkov?
I have spoken with Chubar. It turns out that he knows about this invention and says that the specialists and professors over there have discussed it and found it to be a serious one. He says he can send over the materials and the inventor himself.
We have to decide whether we should get the materials or the inventor himself over here; perhaps we should send them to Bonch-Bruyevich in Nizhni-Novgorod?
Think about this and write me or N. P. Gorbunov, to whom I shall give an assignment to keep an eye on the execution and verification.
 A reference to an item, “Remarkable Invention”, which reported that electrical engineer I. A. Cheiko of Kharkov had discovered “new rays” emanating from a magnetic field, whose thermal effect made it possible to explode mines, artillery depots, etc., by remote control. These rays, the author said, could also be used in mining and the chemical industry, geodesy, medicine, etc. See this volume, Documents 520 and 543.
 A reference to the radio laboratory in Nizhni-Novgorod under M. A. Bonch-Bruyevich.