Marked: "DAYRAD Tube Checker / Mfd. by the Radio Products Co., Dayton, Ohio. / Licensed Under Weston Patent 1704566 Type B". Includes leather carrying strap. Tube tester designed for A.C. plug in ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Black Bakelite base for a radio tube, ...

Radio Lite is a fully customizable Android application that allows you to stream audio content for your own radio station. Save time and money by rebranding this app to suit your needs!

Abstract: The hydraulic tube tester process can be characterized as a data-rich process as it can generate a large number of process measurements on many variables in short time. A data mining based ...

Gas flames had been electrically conductive since about the middle of the nineteenth century, and early wireless researchers recognized that the existence of radio waves altered this conductivity. De ...

Visit us in Washington, DC and Chantilly, VA to explore hundreds of the world’s most significant objects in aviation and space history. Free timed-entry passes are required for the Museum in DC. This ...

The film discusses the crucial role of vacuum tubes in radio broadcasting, detailing the various jobs involved in the industry, from production and scriptwriting to technical maintenance and ...

The long work of recuperation will now begin, with doctors imposing a strict diet and offering round-the-clock mental health ...