Optimum Blacks 131 |
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(see Chapter XVIII) with many persons as compared with black velvet, silk, broadcloth, ink and the letters on the Snellen test card, although no blacker than these other blacks. A familiar black object can often be re membered more easily by the patient than those that |
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Fig. 44
No. 1.-Owing to paralysis of the seventh nerve on the right side, resulting from a mastoid operation on the right ear, the patient is unable to close her lips.
No. 2.-After palming and remembering a perfectly black pe riod she became able not only to close the lips, but to whistle. The cure was permanent.
are less so. A dressmaker, for instance, was able to re member a thread of black silk when she could not remem ber any other black object. |
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