"Model F" shockproof portable X-ray unit comprising: suitcase containing protected X-ray tube, control unit and mechanical timer, and stand, by General Electric X-Ray Corporation, c.1935 "Model F" shockproof portable X-ray unit comprising 1935
Portex X-ray unit by Cuthbert Andrews Limited, Bushey, Hertfordshire, England, 1940-1964, (6 parts). Portex X-ray unit by Cuthbert Andrews Limited 1940-1964
Wall-mounting dental x-ray unit by the General Electric X-ray Corp., United States, 1932-1949. Wall-mounting dental x-ray unit by the General Electric X-ray Corp. 1932-1949