An early telegraph idea: physicians often feel attracted to engineering: an illustration of how old, wide, and intermingled science and technology are.
Max E
ME
Valentinuzzi
D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008511:Medicine; D010820:Physicians; D012586:Science; D013672:Technology; D013685:Telecommunications / Q000266:history*