string galvanometer

instrument that provided the first practical electrocardiogram

en-US/ˈstɹɪŋ ˌɡælvəˈnɑmɪtɚ/
en-GB/ˈstɹɪŋ ˌɡælvəˈnɒmɪtə/

カテゴリ：

galvanometer