Stores ref. 10A/9004. Most of you will probably know this as the Microphone, mask, type E (ref. 10A/9003) but technically that refers to the microphone complete with wiring and plug. Anyway, the microphone consists of a bell-shaped, chamois covered, black painted brass carrier. Within this the actual microphone componant is mounted (10A/7355). Part of the inside of the carrier is sprayed with powdered cork which acts as an insulator against condensation and noise. To the base of the carrier are two moulded breathing vents and at the top is the toggle switch. This example is in very good condition retaining much of its original chamois covering. Unfortunately this hasn't been stored well so the chamois is heavily soiled and has some loss around the edges and exposed parts. Remnants of the wiring loom are visible and the wiring retaining anchor is present. Most examples of this microphone tend to be alloy based rather than brass. I am assuming this to be an earlier production model. These microphones were used with the cloth D-type oxygen masks and pre-date the flat-fronted type 18 (type 19 when mounted/wired). Photographic evidence suggests they saw considerable use during the Battle of France. Super looking microphone and a rare find these days. Stock code O16564.