Irving Langmuir and Guglielmo Marconi in lab
Whitney (left) and Langmuir (center) showing Guglielmo Marconi (left) a vacuum tube that produced for radio transmitters. This is one of the many other experiments that Whitney was not majorly involved in, but still oversaw the progress of.
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Photo credit: © FLHC MDB9 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ancient, antique, artifact, bygone, educational, fashioned, guglielmo, heirloom, historic, historical, historically, history, image, irving, langmuir, marconi, nostalgia, nostalgic, rarity, relic, vintage
