Walsh, David · London : Baillière, Tindall and Cox · leaf 74
be seen if the tube isemitting rays of good penetrating power—a simple precautionwhereby much subsequent disappointment may at times be pre-vented. If the process can be conducted in a dark room, theordinary screen will be available ; but if it be in a lighted room itis difficult for the… … Fig. 28.—Operating-Table. An operating - table may be extemporised from an ordinarybox-couch or deal table without drawers, and in the latter casethe screen can be used beneath the table-top. Numerous specialcouches have been constructed, many of them with canvas tops.The accompanying illustration…
X-rays · Radiography
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