Born-Digital or AnalogAnalogTranscriptBurton, Jay E Automatic Downed Aircraft Marker presented by Burton Instrumentation, Inc. Post Ja 21Invents ADAM (automatic downed aircraft pmarker) signaling device to facilitate locating plane wrecks. Pest Rapire My 24, 1970 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng