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To the Editor:
—With reference to the article by H. Eggers, "The Maddox-Rod Phenomenon," which was published in the February issue of the Archives, in which it is stated that the textbooks fail to explain how a cylindrical glass rod can make a light appear drawn out into a line perpendicular to the axis of the rod, Mr. H. H. Emsley, B.Sc., has asked me to inform you that in every edition of his book, "Visual Optics," first published in 1936, this description has appeared.
Giles GH. THE MADDOX-ROD PHENOMENON. AMA Arch Ophthalmol. 1959;62(5):917. doi:10.1001/archopht.1959.04220050177028