Difference between revisions of "Navy sound powered phones"
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==References== | ==References== | ||
| − | * early edition of [[File:Telephone Talkers Manual.pdf]] | + | * early edition of [[File:Telephone Talkers Manual.pdf]] 19 November 1943 |
[[Category:Military/Intercoms]] | [[Category:Military/Intercoms]] | ||
{{DISPLAYTITLE:Navy sound powered phones}} | {{DISPLAYTITLE:Navy sound powered phones}} | ||