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TelPat.shtml
TelPat.shtml
https://web.archive.org/web/20061021234800/http:/www.pacificsites.com/~brooke/TelPat.shtml
Acoustic telegraphy
Invention of the telephone
Link from a Wikipage to an external page
TelPat.shtml
https://web.archive.org/web/20061021234800/http:/www.pacificsites.com/~brooke/TelPat.shtml