15 results found
https://sr.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D0%B8%D0%BE

Радио — Википедија Пређи на садржај С Википедије, слободне енциклопедије Филипсов радио 930А из 1931. године Дуготаласна радио станица, Мотала , Шведска Зграда Словачког радија Братислава Словачка (архитекте Штефан Светко, Штефан Ђуркович и Барнабаш Кислинг 1967—1983) Радијски то…

https://ro.wikipedia.org/wiki/Radio

Radio - Wikipedia Sari la conținut De la Wikipedia, enciclopedia liberă Acest articol sau această secțiune are bibliografia incompletă sau inexistentă. Puteți contribui prin adăugarea de referințe în vederea susținerii bibliografice a afirmațiilor pe care le conține. Calitatea in…

https://et.wikipedia.org/wiki/Raadio

Raadio – Vikipeedia Mine sisu juurde Allikas: Vikipeedia See artikkel on üldmõistest; teiste tähenduste kohta vaata Raadio (täpsustus) Raadio (ladina k radiare , kiirgama) on informatsiooni juhtmeteta edastamine raadiolainete abil. Raadio rakendusalad on ringhääling raadioside ra…

https://collection.sciencemuseumgroup.org.uk/objects/co467864/one-of-flemings-first-thermi…

Thermionic valve, one of three original examples, by Sir John Ambrose Fleming, London, England, 1904. This valve uses a lamp with a cylindrical aluminium filament, by Edison & Swan United Electric Company, London, England, 1889. Original thermionic diode valve invented by Sir Joh…

https://collection.sciencemuseumgroup.org.uk/objects/co467863/one-of-flemings-first-thermi…

Thermionic valve, one of three original examples, by Sir John Ambrose Fleming, London, England, 1904. This valve uses a lamp with a flat rectangular aluminium filament, by Edison & Swan United Electric Company, London, England, 1889. Original thermionic diode valve invented by Si…

https://collection.sciencemuseumgroup.org.uk/objects/co467865/one-of-flemings-first-thermi…

Thermionic valve, one of three original examples, by Sir John Ambrose Fleming, London, England, 1904. This valve uses a lamp with a flat concertina wire filament, by Edison & Swan United Electric Company, London, England, 1889. Original thermionic diode valve invented by Sir John…

https://manifold.umn.edu/read/the-perversity-of-things-hugo-gernsback-on-media-tinkering-a…

It’s the summer of 1906 in downtown Manhattan, and Louis Coggeshall hovers over a bucket of dimes in the back room of the Electro Importing Company’s retail store, filing them down to a coarse powder. Sitting amid shelves of electrolytic detectors, circuit switches, ammeters, and…