This antique telephone tester from the 1950s is a rare find for collectors of vintage telephones. Made by Western Electric in the United States, it has been well-preserved.  With its unique design, this field switchboard tester is a true testament to the quality of craftsmanship of the era. Perfect for collectors of pre-1950s telephones and other vintage electronics, this piece would make a great addition to any collection. It is a true must-have for anyone who is passionate about vintage technology and the history of communication. Don't miss your chance to own this piece of history.