One of the earlier technically oriented but popular radio magazines; by the late 1920's it had changed to focus on the trade. By 1935 if served the high-end experimenter community, especially in amateur radio (ham) communities. After World War Two it became ... AUDIO ... and served the high-end audio enthusiast until the late part of the century.
If you like old radio, you will like the e-book reprint of the 1922 Sears, Roebuck Electrical Goods and Radio Apparatus Catalog. Here's a writeup about it, with pictures. It's $2.99, free of DRM, and with all the pages rendered as images you can enlarge to see detail, and even print out. It's $2.99! Follow the link.
If you like old radio, you will like the e-book reprint of the 1922 Sears, Roebuck Electrical Goods and Radio Apparatus Catalog. Here's a writeup about it, with pictures. It's $2.99, free of DRM, and with all the pages rendered as images you can enlarge to see detail, and even print out. It's $2.99! Follow the link.

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Radio 1922-01
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Radio 1922-03
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Radio 1922-06
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Radio 1923-03
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Radio 1924-12
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Radio 1925-02
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Radio 1926-05
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Radio 1926-07
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Radio 1926-08
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Radio 1926-12
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Radio 1927-01
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Radio 1927-04
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Radio 1927-11
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Radio 1928-02
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Radio 1928-04
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Radio 1928-08
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Radio 1929-11
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Radio 1930-02
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Radio 1931-05
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Radio 1932-01
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Radio 1935-10
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Radio 1936-05
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Radio 1939-02
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Radio 1940-02
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Radio 1942-08
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Radio 1943-03
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Radio 1943-08
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