English: Diagram of the Klaxon brand vehicle horn from 1910. Invented by Miller Reese Hutchison (1876–1944), it was one of the first electric vehicle warning devices.
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{{Information |Description={{en|1=Diagram of the Klaxon brand vehicle horn from 1910. Invented by Miller Reese Hutchison (1876–1944), it was one of the first electric vehicle warning devices.}} |Source=page 125 or January 1910 issue (Volume 22) Automoti