Hellertion

Japanese: Hellertion
Hellertion

…In 1826, Jörg Mager (1880-1939) of Germany invented the Sphaerophon, which also used a beat oscillator and a dial to control the frequency. In 1828, two Germans (B. Helberger and P. Lertes, after whom it was named) invented the Hellertion, which changed the frequency by changing the position of the ribbon. …

*Some of the terminology that mentions "Hellertion" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…26年に,ドイツのマーゲルJörg Mager(1880‐1939)は同じくうなり発振器を用い,周波数制御にダイヤルを用いる〈スフェロホンSphaerophon〉を考案した。28年には,リボンを押さえる位置で周波数が変化する〈ヘレルツィオンHellertion〉が2人のドイツ人(ヘルベルガーB.HelbergerとレルテスP.Lertes。この名前から命名された)によって造られた。…

※「Hellertion」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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>>:  Hellēnes (English spelling)

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