03512452-n 'an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on';
 
汉语 日光 反射 信号机 , 日光 反射 信号器 , 日光反射信号机 , 日光反射信号器
英语 heliograph ( ⊳ )
Indonesian heliograf
Italian eliografo
日语 日照計
Malaysian heliograf
Definitions
英语
an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
日语
鏡を太陽光線に向けたり逸らしたりして通信メッセージを送る装置
Relations
Hypernym: apparatus
Semantic Field: artifactn
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Maintainer: Francis Bond <bond@ieee.org>