Word: ghiseline
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...Reported was the successful making of x-ray moving pictures with a home camera and 16-mm. film. Drs. William Holmes Stewart, William Joseph Hoffman, and Francis Henshall Ghiselin developed the technique at Manhattan's Lenox Hill Hospital. The heart of the problem was to get a sharp, clear x-ray image on a fluoroscopic screen. The sharpness of the image depended on 1) the brightness of fluorescent material in the screen and 2) the length of time a patient may be subjected to x-ray transillumination. The invention in England of a zinc sulphide preparation which gave...