This vintage 1970s Universal Battery Eliminator AC Adaptor is a rare find for collectors and enthusiasts alike. With a brand name of Dynamic Instrument Corporation, this adaptor is a testament to the quality and durability of battery-operated electronic devices in the early years of the 1970s. The adaptor is designed to eliminate the need for batteries, making it a convenient and practical addition to any collection. The adaptor is in its original packaging, making it a great addition to any vintage toy or electronic device collection. It is suitable for use with a variety of battery-operated devices and is sure to be a valuable piece of history for those interested in the evolution of electronic technology.