. Elementary and dental radiography . uying large quantities of either platesor films at a time. They deteriorate in a few months. The making of a radiograph of the hand is onetecbnic of °^ ^^^ simplest operations in radiography, and for making that reason it will be described to teach elementary RadiOdrapbs. principles. The following technic of making a radio- graph will, of necessity, be much broken into bydescriptions of materials and appliances used. A 5 X 7-inch plate is about the right size to make a radiograph of MAKING RADIOGRAPHS 67 the hand. Plates are supplied by the manufacturer pa


. Elementary and dental radiography . uying large quantities of either platesor films at a time. They deteriorate in a few months. The making of a radiograph of the hand is onetecbnic of °^ ^^^ simplest operations in radiography, and for making that reason it will be described to teach elementary RadiOdrapbs. principles. The following technic of making a radio- graph will, of necessity, be much broken into bydescriptions of materials and appliances used. A 5 X 7-inch plate is about the right size to make a radiograph of MAKING RADIOGRAPHS 67 the hand. Plates are supplied by the manufacturer packed in light-proofboxes, holding usually one dozen plates, with the warning on the only in a dark room. The dark room is simply what the namestates—a room from which light is excluded. A closet without a windowmakes a good dark room, except that there is seldom running water in is not absolutely necessary to have running water in the dark room,but it is very convenient. If a closet cannot be utilized a room, light-.


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