. 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 . h, mounted on a base having threecastors. The arm which carries the vacuum tube is joined to a pieceof wood that slides up or down on the upright, the counterpoise andarm being connected by a cord going over a pulley at the top of theupright; the arm is fastened to the upright by a wooden pin that per-mits a hinge-hke motion, and allows the arm to swing parallel with thefloor. By this means the tube may be placed in any desired position,either abo
. 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 . h, mounted on a base having threecastors. The arm which carries the vacuum tube is joined to a pieceof wood that slides up or down on the upright, the counterpoise andarm being connected by a cord going over a pulley at the top of theupright; the arm is fastened to the upright by a wooden pin that per-mits a hinge-hke motion, and allows the arm to swing parallel with thefloor. By this means the tube may be placed in any desired position,either above or below the patient, with the face of the target directlyopposite the patient. 3. A more complete tube holder is one devised by Dr. Rollins. Itconsists of an upright brass tube, inside of which is a leaden counter-poise for the arm carrying the vacuum tube. The tube, as in the othertube holders, may be adjusted to any position. (See Fig. 41.) Box for Tube. — The tube is held in a box with a sliding coverwhich Dr. Rollins has had made for me, painted on the inside withmany coats of white lead, in which a hole five centimetres in diameter. O J3 o, T3 ^ a;0 0 ^1 E0 0 1^ C0 _!2 a 1 3 is « ^ T-; ^^ a;> 1>0 bfl ajbjD c D o .boii in n S OJ •5 a n ^ 0 1) 0 b/3 0) Q n C a X >, TO ^ n ■/ib- c ^ • -*-^ *+- c/^ *a c ^ 0 sN >.S Q^ p. C ;iw 0 > 0 3 -CO 15 £ ^:^ S c -a rt .5 o ;q c rC ^ •£ — .£ ^ -C o T3 OJ OJ -c 0 n! rn X. C) x: tu m (fl 0 0 rt ca u0 0 u X! OJ c 0 0 0 -d0 XI a ^ ^ hn ti 0 0 * c i; c ^ ai 0 0 0) uj: 0 V J2 0 9. a: ■^ -^ OJ !L1 « bn -a br ■.^ ca u i-> c >. •a OJ > 0E c3 b/3 -a jac 0 0 be > uu -ac 5 1/) C XI OJC OJ ,0 1). b/3 0 p, ri 0XI 0 XI S ce 5 Ji > 5 S *- O .S .S o £ •5; a W3 b/] -a ^o 3 .E .S 05-3- u -a -a ^ •- j2 vt; OS-^-^ ^ H .5 52 THE ROENTGEN RAYS IN MEDICINE AND SURGERY has been cut. Comparatively few rays can escape from this boxexcept through the hole. A circular diaphragm made of wood andcoated with w
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Keywords: ., bookcentury1900, bookdecade1900, bookidroentgenrays, bookyear1901
