The Vintage Hickok 752 Tube Tester is a classic piece of equipment that is made in the USA by the reputable brand Hickok. This model, known as the 752, is a reliable and accurate tool for testing vacuum tubes in various electronic devices. The manual included with the tester provides users with detailed instructions on how to properly use and interpret the results of the testing process. Ideal for professionals in the electronics industry, this tube tester is a valuable addition to any workshop or laboratory.