Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 608
ays in X-ray Photography. 593 the scattered rays incident upon them and this factor also lowersslightly the efficiency in a complete grid. The exact effect of thetransmission of scattered rays by the lead strips has not beendetermined but preliminary experiments indicate that the effectis not… … by an additional factor, the increased distance between thepatient and the film necessitated by this diaphragm. It is to beexpected that this increase in distance will, to some extent,counteract the beneficial effect of removing scattered radiationupon definition. This was found to be the case. The…
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