Difference between revisions of "Speak-O-Phone"
From PUBLIC DOMAIN PROJECT MEDIAPOOL
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| + | [[File:Speakophone.jpg|200 px|thumb|Speak-O-Phone record]] 1920s home recording system '''SPEAK-O-PHONE'''<ref name="recording">Elizabeth McLeod: ''Documenting Early Radio'', [http://www.midcoast.com/~lizmcl/earlyradio.html Link] to the record</ref> | ||
== References == | == References == | ||
