A text-book of diseases of the nose and throat (1904)
Kyle, David Braden, 1863-1916 · Philadelphia ; New York ; London : W.B. Saunders · leaf 44
** <A Fig. 14.—Composite drawing, showing tongue-depressor in position, with view of naso-pharynx in the mirror. The drawing necessitated the incorrect position of mirror-rod. simply placing the thumb on the tip of the nose and pressingbackward and upward. With the speculum the focus of…