design mario bellini
olivetti, italy, 1972
battery operated calculator which exploits a rubberised membrane technology covering the surface and incorporating the key pad; ABS plastic. dimensions: 4.8 x 24.8 x 12.1 cm (1 7/8 x 9 3/4 x 4 3/4"). M.O.M.A. permanent Design Collection, New York (USA)
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