By Arthur C. Christie
Excerpt from A guide of X-Ray Technic
Every X-ray Operator is suggested to make himself completely acquainted with the main points of building of the actual equipment with which he's operating. he's then in place to maintain it always at its aspect of extreme potency. together with his equipment in good shape he can then progressively grasp the small de tails so necessary to stable X-ray paintings, and with perform in studying radiograms he'll eventually gather skill to correctly interpret them and as a way to arrive at right diagnoses.
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Extra info for A manual of X-ray technic
EXCITING THE RONTGEN-RAY TUBE Resistance may thus 49 be gradually reduced by shifting 12 to successive points until the last one Fio. —Rheostat. the current flows directly from H through the mov- able arm to B, the rheostat no longer being in the circuit. CHAPTER VI. RoNTGENOGRAPHY. The Rontgen ray acts upon sensitized plates like ordinary light, therefore the making of rontgenograms has much in common with photography. must It always be remembered, however, that whereas the photograph is reflected is produced by the action of from the object light which to be photographed, the rontgenogram, on the other hand, is a record of the penetrability of the different parts of the object to the Rontgen ray.
CHAPTER VI. RoNTGENOGRAPHY. The Rontgen ray acts upon sensitized plates like ordinary light, therefore the making of rontgenograms has much in common with photography. must It always be remembered, however, that whereas the photograph is reflected is produced by the action of from the object light which to be photographed, the rontgenogram, on the other hand, is a record of the penetrability of the different parts of the object to the Rontgen ray. The photographic plate consists of a piece of glass coated with gelatin containing sensitive silver salts.
Care of the Rontgen Tube. — It is necessary to take certain precautions in using focus tubes in order to keep them at the point of the longest possible time. maximum usefulness for In cold weather the tube PRODUCTION OF RONTGEN RAYS should be warmed before use. 23 When hot it should not The be allowed to cool off too suddenly. lead wires ought not to come in contact with the tube when in action, since a spark may jump Keep and cause puncture. may small particle of dust cause puncUu'e. unstable in New across to the glass tubes perfectly clean; a attract the current and tubes are likely to be rather vacuum and should be used cautiously with weak currents, and with very short exposures with strong currents, until they become seasoned.
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