Collection of Audiological apparatus used in teaching at the Occupational Health Department of the London School of Hygiene and Tropical Medicine, 1970-1990.
Noise Dosimeter, model 122, in padded carrying case, for monitoring industrial noise hazard, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by CEL, England, 1970-1990.
Level Recorder, type 2305 with Logarithmic Potentiometer unit plus a second detached unit, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Bruel and Kjaer, Copenhagen, Denmark, 1970-1990.
Noise Generator, type 1405, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Bruel and Kjaer, Copenhagen, Denmark, 1970-1990.
Statistical Distribution Analyser, type 4420, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Bruel and Kjaer, Copenhagen, Denmark, 1970-1990.
Band Pass Filter Set, type 1614, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Bruel and Kjaer, Copenhagen, Denmark, 1970-1990.
Measuring Amplifier (2-200000 Hz), type 2606, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Bruel and Kjaer, Copenhagen, Denmark, 1970-1990.
Artificial Ear, type 4153, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Bruel and Kjaer, Copenhagen, Denmark, 1970-1990.