X-Rays, Apparatus and Methods Page 21

all in one. If he is not he must learn to be by occasionally injuring his apparatus, and certainly by breaking many tubes.

Particularly must the practitioner be cautioned against expecting too much. Many come to their fluoroscope or X-ray photograph for the first time, expecting to see the whole structure of the body exposed before them as if upon a painted wall chart. This is never the case. Except in the case of the hand, foot or forearm, but little could ever be made out in the fluoroscope were one unaware of what should be seen. The photographic plate results are usually better and more definite, but even here interpretation is often difficult.