Clipart tagged: ‘telegraphic’
!["The sounder is a telegraphic receiver consisting of an electromagnet, and a pivoted armature that plays up and down between its stops as the circuit is alternately made and broken. the message is 'read by sound,' i.e., from the clicks made by the armature, substantially as indicated [before]." -Avery 1895](https://etc.usf.edu/clipart/36000/36092/tele_sound_36092_mth.gif)
Telegraph Sounder
"The sounder is a telegraphic receiver consisting of an electromagnet, and a pivoted armature that plays…
"The sounder is a telegraphic receiver consisting of an electromagnet, and a pivoted armature that plays…