...The halogen light bulb filled with iodine was invented in America in 1960, and was characterized by its small size, high efficiency, and long life due to the halogen cycle. Small halogen light bulbs filled with bromine (single base type) also appeared, and they became point light sources. The third lighting using electricity was the invention of the fluorescent lamp by American GE Inman in 1938. In Japan, the first step towards practical use was the use of 127 20W daylight fluorescent lamps to reproduce the murals of the Golden Hall of Horyuji Temple on August 27, 1940. *Some of the terminology that mentions "Inman, GE" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…またヨウ素封入のハロゲン電球がアメリカで60年に発明され,ハロゲンサイクルによる小型,高効率,長寿命の特徴を備えることとなり,臭素封入の小型ハロゲン電球(片口金形)も出現して,点光源化が図られた。 電気利用の第3のあかりは,1938年,アメリカのインマンG.E.Inmanによる蛍光ランプの発明である。日本では40年8月27日,法隆寺金堂壁画の模写に20W昼光色蛍光灯127灯を使用したのが実用化の第一歩であった。… ※「インマン,G.E.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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