Check the listing for details. Vintage Weston Model 433 Zero Corrector AC Voltmeter 0-300V Bakelite Meter. Condition: Used, Made in United States. Listed at 44.99 USD. Vintage Weston Model 433 Zero Corrector AC Voltmeter. Features a large analog meter scale marked 0-300 volts AC and rated for 25-125 cycles. Housed in a black Bakelite case with carrying handle and side-mounted range controls. Model 433 instruments were used for precision electrical testing and laboratory applications. A desirable piece of vintage test equipment from the early to mid-20th century. Condition: * Untested; selling as found. * Meter movement condition unknown. * Cosmetic wear, scratches, dust, and age-related use marks present. * Handle shows age and cracking. * Please review all photos carefully for condition and completeness. Sold as-is with no guarantees of accuracy or functionality.