Hughes, David Edward, 1829-1900
Anglo-American electrician and inventor of the carbon microphone.
From the description of David E. Hughes letters, 1889-1890. (Unknown). WorldCat record id: 80218399
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| Publication Date | Publishing Account | Status | Note | View |
|---|---|---|---|---|
2021-01-16 09:01:19 pm |
Levana Taylor |
published |
User published constellation |
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2016-08-12 11:08:30 pm |
System Service |
published |
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2016-08-12 11:08:30 pm |
System Service |
ingest cpf |
Initial ingest from EAC-CPF |
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