A Universal transistor audiometer complete with headphones and three wooden panels which interlock to form a portable screen. The audiometer is designed to sit on a table and has a grey control panel at the front featuring several dials and controls. It has a wooden case with a hinged compartment at the top which gives access to a battery compartment. No battery is present. A handle is also fitted to the top of the case. An input for the headphones is on the back of the audiometer. " No 533 / THE HEARING ASSOCIATION / 54 LEMON STREET / NEW PLYMOUTH / PHONES 83-400 & 36-083 " is written on a paper label taped to the interior of the lid.
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