`whenYear` >='-3000'
AND `whenYear` <='3000'
AND
( `whoCharName` = 'Radio tube triode ' or `whoRel` = 'Radio tube triode ' or `whereLoc` = 'Radio tube triode')
AND (`access` ='Public' )
ORDER BY `whenYear` ASC, `whenMonth` ASC , `whenDay` ASC,`eventSig` DESC
LIMIT
0
,
300

Radio tube triode's Timeline: Life, Photos, and Key Events


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1907

Lee DeForest
Radio tube triode
in 1907
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311680

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