Stores reference 10A/13466. 'Receivers, telephone, head, type 32'. 4.1 ohm receivers as used with most mid/later war flying helmets. Manufactured in plastic/bakelite with a separate screw on cover. Some surface scratching to main casings & covers. Hairline cracks from the screw holes on one casing. Very clean internally. Complete with both metal diaphragm inserts. Good '+' used condition overall. Stock code H24665.