SIGHT AND HEARING. 39 Albemarle Street, Piccadilly, London, and 12, Promenade Villas, Cheltenham. Attkndanck ..
... powerful small' newlv'-invented instrument, for Deafness, entirely different from all others, to surpass anything of the kind that has been produced, and being the same colour the skin, not perceptible. enubles deaf persons to hear distinctly at church and public ...