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Lee De Forest

Council Bluffs, Iowa 26.August.1873- Hollywood, California 30.June.1961



   




DOCUMENTS:



 


1907

Patent 841386 Use of Jan 15, 1907 Wireless telegraphy



 

1907

Patent 867876 Use of the device responsive Oscillation 'October 8, 1907 






1907

Patent 867877 Art of detecting Oscillation of October 8, 1907






1907

Patent 867878 Oscillation detector Use of October 8, 1907



 

1907

Scientific American Supplement No. Supplement No. Scientific American. 1665 , November 30, 1907, pages 348-350: THE AUDION