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This pamphlet is a study of hearing in connection with the socialized medical program of the British Ministry of Health, comprised largely of scientific information which is in part a review of the literature of both the United Stated and Britain and in part original work done by the Committee on Electro-Acoustics. The committee has two principal tasks assigned: (1) to determine the practicability of designing a single type of electrically operated hearing aid which would be small, light, reasonably cheap to produce and service, and capable of giving good intelligibility of the spoken word to the majority of persons with deafness of types that can be benefited by mechanical appliances; (2) to determine satisfactory performance specifications for pure tone audiometers for use in the early diagnosis and accurate assessment of deafness of different types. The pamphlet is of major interest to the otologist and gives a good account of
Hearing Aids and Audiometers. JAMA. 1948;137(16):1494. doi:10.1001/jama.1948.02890500142026