A text-book of diseases of the nose and throat (1904)
Kyle, David Braden, 1863-1916 · Philadelphia ; New York ; London : W.B. Saunders · leaf 317
of the antrum, but also the velum may be stronglyilluminated, and by the aid of the nasal speculum the nares maybe carefully and thoroughly inspected. For illumination through the mouth many special lamps havebeen devised, varying only in points of construction, there beingvery little difference in… … Fig. 101.—Jacksons transilluminator. removed ; otherwise, it will obstruct the transmission of light andlead to faulty conclusions. The importance of transillumination and its aid in diagnosis iscontrolled largely by the associated clinical symptoms. In illumi-
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