Ancien coffret militaire des ampèremètres , wattmètres (MW) , (MVAR) et un voltmètre (kV) , - Measuring instrument - Metal, Bakelite - 1950-1970

Old box of electrical measurement instruments, probably intended for the control or maintenance of industrial electrical installations, dating likely from the 1950s–1970s. The metal transport case, marked BX-31-A and labeled Made in USA, contains 7 analog measuring devices including ammeters, wattmeters (MW), reactive power measurement devices (MVAR), and a voltmeter (kV). The dials bear various scales and technical specifications. Overall, it presents a handsome industrial patina with signs of use, wear, and oxidation related to its age. Not tested for operation. A fine old technical set for a collection of scientific, electrical, or industrial instruments.