. Elementary and dental radiography / by Howard Riley Raper . Fig. 470. Dental radiograph enlarged for observation in large stereoscope. \77-;A/:( )S(()PIC R. WIOGRAPHY 435 The next step is enlargement. This the operator ma\Enlargement, have done for him by any photographer or he may do it himself, using the usual photographic enlargingapparatus, which consists of a light back of the negative, from which theenlargement is to be made, shining through the negative and an enlarginglens onto a standard which holds the photographic plate or paper (inthis case a plate) on which the enlargement is to


. Elementary and dental radiography / by Howard Riley Raper . Fig. 470. Dental radiograph enlarged for observation in large stereoscope. \77-;A/:( )S(()PIC R. WIOGRAPHY 435 The next step is enlargement. This the operator ma\Enlargement, have done for him by any photographer or he may do it himself, using the usual photographic enlargingapparatus, which consists of a light back of the negative, from which theenlargement is to be made, shining through the negative and an enlarginglens onto a standard which holds the photographic plate or paper (inthis case a plate) on which the enlargement is to he made. (See and 472. i The negative to be enlarged is placed with the coated sideaway from the source of light. Enlarge to the size of Fig. 470 or Fig. 471. Enlarging apparatus. * - Observe enlargements by means of a stereoscopeObservation of €n- , larged StereoradiO- like Fig. 323. By placing the enlargement from the graphs. right negative on the right side of the stereoscope. the left enlargement on the left side, with the coated sides of the platestoward the light of the illuminating boxes, the operator makes his ob-servation from the position of the film at the time of exposure. By re-versing the negatives as they are placed on the stereoscope—i. e., byplacing the right enlargement on the left side of the stereoscope and theleft enlargement on the right side of the stereoscope, with the coated sidesof the negatives still toward the light of the illuminating boxes, or by re-versing the negatives so their sensitive sides present away from the lightof the illuminating boxes toward the operators position of observationbut allowing the right negative to remain on the right side and the lefton the left side—the position from


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