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Article
February 7, 1931

THE JENNINGS SELF-RECORDING TEST FOR COLOR-BLINDNESS

JAMA. 1931;96(6):460. doi:10.1001/jama.1931.02720320060027

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Abstract

Avenue, Chicago.

To the Editor:  —In 1917 the United States government bought a large number of sets of the Jennings test for color-blindness for the army, navy and aviation services. From this extensive use of the test it was found that certain colors indicating color-blindness were often punched by persons with a normal color sense. These objectional colors were removed, others substituted, and a second edition of the test was introduced. Recently it has come to my notice that about six months ago the government sold at auction a quantity of the old, obsolete sets to a certain surgical supply house, which is now selling them to physicians and institutions. Physicians desiring the up-to-date second edition of the Jennings Test should see that it is made by the C. H. Stoelting Company, 424 North Homan

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