Here we have a Flight Data Recorder This is untested and without paperwork/certification so is unfit for aviation use. Dimensions as per photos
Aircraft Flight Data Recorder Black Box Aviation Orange
Aircraft Flight Data Cockpit Voice Recorder Black Box Aviation Orange
Original 1964 Advert Royston Instruments MIDAS Aircraft Data Recorder
Very Rare WW2 German Luftwaffe JU88 G6 Aircraft Main Data Plate Semi Relic
Original 1958 Advert Solartron DataTape Recorder Aircraft Electronics