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  Indian J Med Microbiol
 

Figure 4 :Pan Scanner in 1957. This design was an attempt to develop a system that did not require full immersion but could still take advantage of a controlled sound beam (focus) and compound scanning. There were no computers to reconstruct images. A camera and photographic film were used. (Source: http://www.ob-ultrasound.net/panscanner.html)

Figure 4 :Pan Scanner in 1957. This design was an attempt to develop a system that did not require full immersion but could still take advantage of a controlled sound beam (focus) and compound scanning. There were no computers to reconstruct images. A camera and photographic film were used. (Source: http://www.ob-ultrasound.net/panscanner.html)