File:Edwin Armstrong wife Esther and portable superhet radio 1923.jpg

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Edwin_Armstrong_wife_Esther_and_portable_superhet_radio_1923.jpg (153 × 295 pixels, file size: 22 KB, MIME type: image/jpeg)

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English: American engineer Edwin Armstrong the inventor of the superheterodyne radio receiver, with his new wife Esther Marion MacInnis in Palm Beach, Florida, in 1923. The radio is a portable superheterodyne set that Armstrong built as a gift for her. NOTE: This image is misnamed. It is NOT the first portable radio, although it might be the first portable superheterodyne receiver.
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Source http://www.yonkershistory.org/arms.html
Author Unknown authorUnknown author
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current23:09, 25 August 2013Thumbnail for version as of 23:09, 25 August 2013153 × 295 (22 KB)Geo Swan (talk | contribs){{Information |Description=Said to the 'First_portable_radio', a gift from inventor {{w|Edwin Armstrong}} to his fiancee {{w|Esther Marion MacInnis}}. |Source=http://www.yonkershistory.org/arms.html |Date=1923 |Author=unknown |Permission={{PD-Old}} |ot...

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