This Tektronix 512 Cathode-Ray Oscilloscope is a vintage piece of equipment that is perfect for any collector or enthusiast of antique tubes and electronic parts. Made in the United States, this CRT tube is a true gem for those interested in vintage audio and video equipment. With its precise measurements and high-quality construction, this oscilloscope is sure to impress any buyer. The Tektronix brand is known for its reliability and durability, making this piece a great addition to any collection. Don't miss out on the opportunity to own a piece of electronic history.