educational device for teaching the manual alphabet and words to the hearing impaired and others, primarily composed of a series of blocks rotably mounted on a frame, each of the blocks having one surface showing a hand sign and another surface showing the corresponding letter or word

'alphabet':7 'anoth':40 'block':22,31 'compos':17 'correspond':44 'devic':2 'educ':1 'frame':27 'hand':37 'hear':12 'impair':13 'letter':45 'manual':6 'mount':24 'one':33 'other':15 'primarili':16 'rotabl':23 'seri':20 'show':35,42 'sign':38 'surfac':34,41 'teach':4 'word':9,47

PEN-E-KAY

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