Metalix air cooled X-ray tube, type 20631, no.4098, by Philips, Netherlands, 1930-1969. Fitted with removable 0.4 mm aluminium window.
Metalix air cooled X-ray tube, type 20631, no.4098, by Philips, Netherlands, 1930-1969. Fitted with removable 0.4 mm aluminium window.