Following are the different types of vacuum tubes and the elements used to control the flow of current. See vacuum tube. ----- VACUUM TUBES -----Triode Pentode Elements Diode Tetrode Cathode X X X X ...

About a decade ago I started a strange little journey in my free time that cut a path across electronics manufacturing from over the last century. One morning I decided to find out how the little ...

Series 38 consists of literature, data, and photos pertaining to different types and models of vacuum-tube type radio transmitters. It includes lists of vacuum-tube transmitters made by different ...

The transistor is one of the most profound innovations in all of human existence. First discovered in 1947, it has scaled like no advance in human history; we can pack billions of transistors into ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. 3-D (Box): 12.2 x 4.1 x 4.1cm (4 ...