Detail of a power triode at the National Technical Museum in Holesovice district Prague Czech

---

RD 250 VM is a vapour cooled ceramic metal power triode

---

Size: 3671px × 5528px
Location: National Technical Museum, Holesovice district, Prague, Czech Republic, EU.
Photo credit: © BowmanPictures / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: attractions, bloc, bohemia, bohemian, capital, central, ceramic, ceska, cities, city, color, colour, copper, countries, czech, czechoslovakia, day, daytime, destination, detail, device, district, eastern, engineering, eu, europe, european, gadget, heritage, historic, historical, history, holesovice, holiday, holidays, indoors, interior, museum, national, power, prague, praha, republic, republika, sights, sightsee, sightseeing, technic, technical, technique, technological, technology, tesla, tourism, tourist, town, towns, travel, traveling, travelling, travels, triode, union, vacation, vacations, vertical