• 홈
  • electrical telegraph

electrical telegraph

early system for transmitting text over wires

en-GB/ɪˈlɛktɹɪkl ˈtɛlɪɡɹɑːf/
en-US/ɪˈlɛktɹɪkəl ˈtɛləˌɡɹæf/

카테고리:

telegraph