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muscular imbalance test
Keeler Instruments Ltd
Europe: United Kingdom
overall: 225 x 76 x 98 mm
Muscle balance test (prototype) consisting of a rectangular plate fixed into a black plastic hand-held bulb unit. Plate features a rectangular red border and a green dot placed within to one side. Snap-in grey metal battery handle. Also a 'look-at model' of the instrument head as intended for production. Also a battery recharger designed as a stand for the battery handle.
Gift of Mr Philip Freeman, FCOptom, 2000