Farnsworth dichotomous D 15 Colour Vision Test

Description Of Item: Satin finish polished hinged wooden box 420 x 45 x 32 mm, with brass clip and hinges containing 16 hollow centred caps each containing one of the series of Munsell papers comprising the Farnsworth Panel D 15 Colour Vision Test. Reverse of each cap has a hand-written numeral from 1 to 15 relating to the correct placement by a subject with normal colour vision. The initial reference cap has 'P' hand-written on the reverse. The bottom of the case has a clear panel so that the order of the caps can be determined. The words Robert Kaye are etched on the inside and outside of the lower half of the case.