United States or Fiji ? Vote for the TOP Country of the Week !
To solar light, an artificial one has been preferred. D'Acquapendentus' bottle has given way to the convex lens, and to concave, spherical, and parabolic mirrors, etc. De Hilden's speculum has been replaced by cylindrical, conical, bivalve, and other forms of the instrument.
The first person to whom the idea occurred to illuminate the ear was Fabricius d'Acquapendentus . To do this he placed the patient in front of a window in such a way as to cause the luminous rays to enter the external auditory canal. It was he likewise who conceived the idea of placing a light behind a bottle filled with water, and of projecting its concentrated rays into the ear.
Word Of The Day