IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This prototype receiver was made by ...
Marked: "Radiola VI / Model - AR 895"; on inside tag: "Detector Amplifier / Model AA-1400 / Pat'd: Nov 7, [19]05 / Feb 18, [19]08 / Apr 12, [19]10 / Oct 6, [19]14 / Oct 22, [19]18 / Dec 23, [19]19 / ...
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