The Sony B&W TV-511 Oscilloscope is a vintage television with a unique feature - a black rotating screen. This 5.5" television does not display traditional images, but rather operates as an oscilloscope, making it a rare and collectible piece for vintage electronics enthusiasts. With its Sony brand and transistor technology, this TV-511 model offers a nostalgic viewing experience that cannot be found in modern televisions. Working condition when used with battery. No electric plug !!!!’
