The Weston Electrical Instrument Corporation's Model 155 ammeter is a classic, durable analog device designed for precise current measurements. Known for its robust construction, this ammeter was commonly used in industrial and laboratory settings throughout the mid-20th century. It features a moving-coil mechanism, providing accurate DC current readings with high sensitivity and stability. The Model 155, like many of Weston’s instruments, is valued for its precision engineering and remains sought after by collectors of vintage electrical instruments and for educational demonstrations.
