Sentral telepon: Perbedaan antara revisi
Konten dihapus Konten ditambahkan
Rescuing 2 sources and tagging 0 as dead.) #IABot (v2.0.8 |
Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8.6 |
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* [http://www.rhaworth.myby.co.uk/phreak/tenp_01.htm Roger W. Haworth's guide to London (UK) Director Exchange Names] {{Webarchive|url=https://web.archive.org/web/20140525024839/http://www.rhaworth.myby.co.uk/phreak/tenp_01.htm |date=2014-05-25 }}
* [https://web.archive.org/web/20130302120900/http://www.cr.nps.gov/nhl/DOE_dedesignations/Telephone.htm National Park Service's page about the first telephone exchange]
* [http://www.google.com/patents?id=xL9WAAAAEBAJ&dq=252576 patent 252,576 for the first telephone switchboard in 1881] {{Webarchive|url=https://web.archive.org/web/20130522113552/http://www.google.com/patents?id=xL9WAAAAEBAJ&dq=252576 |date=2013-05-22 }}
* [http://www.adslgeek.com/dslforum/index.php?topic=207.0 A Telecom Exchange Tour in NZ]
* [http://www.bayern-online.com/v2261/kategorie.cfm?DID=203&CATID=1471 Picture collection Telephon and Exchange]
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