The industry with the most welders is the architectural and structural metals manufacturing industry. It offers a mean wage of $34,960, much closer to the average for welders as a whole. Pay in the five industries with the greatest number of welders ranges from $32,900 to $37,600 per year.
Magnetic Resonance Imaging device [36â39]. However, the original idea of applying NMR to medical. imaging (MRI) was first proposed by Raymond V, Damadian, M.D. [40], who was granted a U.S. patent for an MRI scanner, and founded a company to manufacture such scanners.
Moniz, a neurologist, accomplished the first cerebral arteriogram in 1927. Oldendorf himself developed the basis for computerized tomography (CT) in 1961 and the technique was applied to clinical diagnosis by an electrical engineer, Hounsfield, in 1973. Finally, magnetic resonance imaging (MRI) was introduced.