7 maya 1895 goda russkij uchenyj Aleksandr Stepanovich Popov vystupil na zasedanii fiziko-himicheskogo obschestva s dokladom pod skromnym nazvaniem: "Ob otnoshenii metallicheskih poroshkov k elektricheskim kolebaniyam". Doklad soprovozhdalsya demonstratsiej pervogo v mire radiopriemnika. Proshlo nemnogim bolee 60 let, i radiotehnika uzhe stala mnogootraslevoj oblastyu tehniki, pronikayuschej bukvalno vo vse otrasli narodnogo hozyajstva. Gde by ni primenyalos radio, ono vsegda otkryvaet novye i nevidannye ranee vozmozhnosti dalnejshego tehnicheskogo progressa. My postepenno privykaem k dostizheniyam radiotehniki, perestaem zamechat ih, kak tolko oni vhodyat v nash byt i nashu povsednevnuyu zhizn. Poroj byvaet trudno otsenit podvig uchenyh i inzhenerov, svoim trudom davshih chelovechestvu te materialnye tsennosti i vozmozhnosti, kotorymi my ezhednevno ya ezhechasno polzuemsya... This book, "Radiorelejnye linii svyazi", by V.T. Sviridov, is a replication of a book originally published before 1959. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.
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