The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent : designed for the use of practitioners and students (1901)
Williams, Francis H. (Francis Henry), 1852-1936 · New York, Macmillan · leaf 287
Fig. i6i. M. C. Third X-ray tracing (one-third life size). The short vertical line below the leftnipple indicates the distance of the left border of the heart from the median line measured in a planeparallel with the front of the chest, by means of the X-rays; the curved lines its too great…
Radiography · X-rays
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
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