. Elementary and dental radiography / by Howard Riley Raper . Fig. 340. Tbe same as Fig. 339 except that we observe the hand from the position of the plateduring its exposure, instead of the position of the X-ray tube. STEREOSCOPIC RADIOGRAPHY $w). Fig. 341. Three nails of the same size and length. One is in a vertical position, the othertwo lean toward the observer, at different angles. Figs. 341, 342 and 343 are the same radiographs mounted stereoscopic effect at all is seen in Fig. 343. because the tube wasshifted at right angles to the long axis of the nails. Had the tube be
. Elementary and dental radiography / by Howard Riley Raper . Fig. 340. Tbe same as Fig. 339 except that we observe the hand from the position of the plateduring its exposure, instead of the position of the X-ray tube. STEREOSCOPIC RADIOGRAPHY $w). Fig. 341. Three nails of the same size and length. One is in a vertical position, the othertwo lean toward the observer, at different angles. Figs. 341, 342 and 343 are the same radiographs mounted stereoscopic effect at all is seen in Fig. 343. because the tube wasshifted at right angles to the long axis of the nails. Had the tube beenshifted on a line with the long axis of the nails it would be necessary toobserve them as in Fig. 343 to get a stereoscopic effect.
Size: 2079px × 1202px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookauthorraperhowardriley, bookcentury1900, bookdecade1910
