American quarterly of roentgenology (1911) (14754580414)

Identifier: americanquarterl03amer (find matches)

Title: American quarterly of roentgenology

Year: 1911 (1910s)

Authors: American Roentgen Ray Society

Subjects: Nuclear Medicine Radiography Radiology Radiology

Publisher: Pittsburgh : American Roentgen Ray Society

Contributing Library: Francis A. Countway Library of Medicine

Digitizing Sponsor: Open Knowledge Commons and the National Endowment for the Humanities

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Ul Z o o u (6^ CS3 « a «1^ (/) J2 ° (0 o *! 3 . -^ 2o C c o 2:2 JO > ^^ J= u .£?> C«J3 2J* (0 O .o « 60 O LI S~ C V o OCLu QLi > o o z 3-I Qul h .— * £ 2 o ™ »— v S ©a &<=-§ •J uJj u 0 Dunham: Stereo-Chest Plates 115 heart disturbs the markings of the left lower division to amuch less extent and it is easier for the patient to hold hisbreath. The plate should be to chest (dorso-ventral). Thisgives greater space between the ribs and allows the scapulaeto be removed to the side of the chest by simply drawingthe shoulders forward and further facilitates perspective be-cause the ribs at the back are heavier than at front and casta denser shadow. As we observe pictures exactly as we ex-pose them, we see the ribs near the spine brighter and closerto the eye. Then the effect of aerial perspective adds to ourreconstructed image, because, as has been said, that is themanner in which we are accustomed to obs

american quarterly of roentgenology 1911 book illustrations medicine x ray roentgen rays medical devices history of technology images from internet archive

1911

Francis A. Countway Library of Medicine

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public domain