25KV x-ray set, comprising x-ray head linked to control unit, and plug-in remote control switch. Originally used for detecting infestation of grain, by Newton-Victor, London, England, 1953-1957.
25KV x-ray set, comprising x-ray head linked to control unit, and plug-in remote control switch. Originally used for detecting infestation of grain, by Newton-Victor, London, England, 1953-1957.