Gerard van de Bourghelle

Male - Yes, date unknown


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Timeline

1924
1924
1924
1925
1925
1925
1
2


 
 




   Date  Event(s)
1 1924 
  • 1924—1924: HISTORY: .Dynamic loudspeaker invented by Rice and Kellogg.
2 1925 
  • 1925—1925: HISTORY: .Mechanical television a precursor to the modern television, invented by John Logie Baird.

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