Bidspirit auction | A Vietnam war Era Soviet

A Vietnam war Era Soviet Megohmmeter Ф4102/1-М. Black, portable electrical resistance meter with a sturdy plastic case, carrying strap, Cyrillic labelling, large analog display, and control knobs. 越南战争时期苏联兆欧表 Ф4102/1-М。黑色便携式电阻计，配有坚固的塑料外壳、背带、西里尔字母标签、大型模拟显示屏和控制旋钮。