Felt cover for a Clinical Audiometer, model 84, by Amplivox Limited, London, England, 1962-1969. Felt cover for a Clinical Audiometer, model 84 1962-1969
Felt cover for a Diagnostic Audiometer, model 103, by Amplivox Limited, London, England, 1965-1972. Felt cover for a Diagnostic Audiometer, model 103 1965-1972