scophony system वाक्य

उदाहरण वाक्य

1. The Scophony system used multiple drums rotating at fairly high speed to create the images.
2. Perhaps the best mechanical televisions of the 1930s used the Scophony system, which could produce images of more than 400 lines and display them on screens at least 9?2 feet ( 2.8?.7 m ) in size ( at least a few models of this type were actually produced ).