31) A totally perfect mint unissued “Microphone, Respirator, No1.” This will fit both the service respirator (type with side fitting) and the civilian duty respirator. Used by wireless operator’s etc. this is still partly wrapped in rust proof paper to both mic and plug. It is nicely Canadian ordnance marked along with Canadian tag to the wiring. It is GE marked for General Electric. The plug and wiring are perfect.