Do you want to explore this and other historical audio recordings?
Go to i78s
Electric Light's Golden Jubilee - Dearborn Michigan - Broadcast WJZ - Part 3
Thomas Edison, Herbert Hoover, Albert Einstein, et al
Edison 12" Diamond Disc (Experimental series; internal use)
203
single-sided disc
Edison matrix EXP-203-A
recorded on October 21, 1929
David Giovannoni Collection