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Vintage photos of:
Dec. 5, 1929. Ignition interference from airplane engines on aircraft is largely a myth according to C. Francis Jenkins, Washington, D.C., inventor who has designed a radio receiving set which he says does not pick up noises from a flying power plant. In this photograph is shown Mr. Jenkins (right) and his laboratory assistant.
Video pioneer Francis Jenkins, seen here last week, and an anonymous protege who has a telegraph key strapped to his leg. By our reckoning this counts as early mobile texting. Harris & Ewing Collection glass negative. View full size.