[permalink] [id link]
However, it was Lee De Forest who is credited with inventing the triode tube in 1907 while continuing experiments to improve his original Audion tube, a crude forerunner of the triode.
from
Wikipedia
Some Related Sentences
However and was
However, it was not of innocence in general that I was speaking, but of perhaps the frailest and surely the least important side of it which is innocence in romantic love.
However, in this case as elsewhere it was necessary to arrive at a single standard to be applied to all situations, representing an averaging of conditions, and thus to fix particular points in time which would be considered the dividing points between daytime and nighttime conditions.
However, the nonspecific staining by the Af in tumor sections was considered bright enough to be confused with the staining of small amounts of WTV antigen.
However, there was no real question of the justice of creating a strong Poland, both industrially and agriculturally, and one unplagued by large minorities of Germans or Russians.
However, the sovereign was not Hobbes' absolute monarch but rather the parliamentary sovereign of Austin.
However, a similar privilege was not specifically provided in section 168 for a person acquiring emergency facilities.
However, the Attorney General of California, at the request of the Secretary of Labor, sought to have the jurisdiction over the issue removed to the Federal District Court, on grounds that it was predominantly a Federal issue since the validity of the Secretary's Regulation was being challenged.
However, the Federal Court held that since the State had accepted the provisions of the Wagner-Peyser Act into its own Code, and presumably therefore also the regulations, it was now a State matter.
However nothing on four legs was supposed to be faster than a lion over a short distance, unless it was a cheetah.
However, it was virtually impossible to screen the mob outside, even if Bonner had manpower available for the purpose.
However, lacking requested reinforcements from McClellan, now commanding the Army of the Potomac, Pope was soundly defeated at the Second Battle of Bull Run in the summer of 1862, forcing the Army of the Potomac to defend Washington for a second time.
However Copperhead rhetoric argued that emancipation was a stumbling block to peace and reunification.
However, Plato reports that syntax was devised before him, by Prodicus of Ceos, who was concerned by the correct use of words.
However and Lee
However, the club was forced to sell players such as Rob Lee to help pay for a return to The Valley, which eventually happened in December 1992.
However, when the funding was insufficient, the state ended up financing the project .< ref > Simon Lee.
However Yuen Wah was Lee's main stunt double for the film, most notably for the more acrobatic feats in the film, such as flipping over the abbot's arms at the beginning and the scene where Lee does a backflip when O ' Hara catches his leg during their fight.
However, both the former Prime Minister of Japan, Fukuda Yasuo, and Korean President Lee Myung-bak emphasized the importance of " open a new era in Japan – South Korea relations.
However, when Gen. Robert E. Lee became commander of the Army of Northern Virginia, he requested that Stuart perform reconnaissance to determine whether the right flank of the Union army was vulnerable.
However, a VH1 documentary of the band's reunion later showed that Lee did indeed play on some of the tracks.
However, Chiang's successor as president, Lee Teng-hui, proved to be more adept at politics than she was, and consolidated his position.
However, he did show great respect for Red Sox pitcher Bill " Spaceman " Lee, crediting him with that kind of mindset.
However, Lee showed a keen interest in Wing Chun, and continued to train privately with Yip Man and Wong Shun Leung in 1955.
However, Lee agreed to the delays for arriving troops and did not issue his formal order for the attack until 11 a. m.
However, Lee failed to crack down on the massive corruption that pervaded the government and many KMT loyalists felt that Lee betrayed the ROC by taking reforms too far, while those in the opposition felt he did not take reforms far enough.
However, after viewing a Byrds performance, Lee became determined to join the newly minted folk-rock sound of the Byrds to his primarily rhythm and blues style.
However he sold Macdonald to Arsenal at the end of the season, a decision of which Macdonald later said " I loved Newcastle, until Gordon Lee took over ".
However, Freeman does admit that Lee corresponded with Joseph E. Johnston, his predecessor in army command, prior to that date and referred to Johnston's command as the Army of Northern Virginia.
However, from September 6 – September 8, heavy rains from the inland remnants of Tropical Storm Lee and Hurricane Katia offshore funneled heavy rain over the Wyoming Valley and into the Susquehanna River watershed.
However, in 1991, President Lee Teng-hui indicated that he would not challenge the Communist authorities to rule mainland China.
However, the Siegrist's Mill Covered Bridge, which weighed five tons, was ripped from its foundations and swept downstream on September 8, 2011, by flooding caused by remnants of Tropical Storm Lee.
However, some fans, including Lee Eckmann and Bob Erickson, including Dave Hunter, toward the open ( East ) end of the stadium on the student side started yelling " sideways ".
However, the film was not well received, with most critics pointing out that Mitchum, Frank Sinatra and Lee Marvin were all too old for their characters.
0.330 seconds.