Editing Telephone (section)

== External links ==
{{Commons}}
{{Wikivoyage|Telephone service for travel}}
{{Wiktionary|telephone|cordless telephone}}
* [http://galbithink.org/telcos/early-telephone-data.htm Early U.S. Telephone Industry Data]
* {{Cite NIE|wstitle=Telephone|short=x}}
* {{cite EB1911 |wstitle=Telephone |volume=26 |pages=547–557 |first1=Harry Robert |last1=Kempe |first2=Emile |last2=Garcke |short=x}}
* [http://www.sparkmuseum.com/TELEPHONE.HTM Virtual museum of early telephones]
* {{usurped|1=[https://web.archive.org/web/20080828132509/http://www.theengineer.co.uk/Articles/294346/July+1877+The+Telephone.htm The Telephone, 1877]}}
* {{Internet Archive short film|id=now_youre_talking_1927|name="Now You're Talking (1927)"}}
* {{Internet Archive short film|id=history_of_communication|name="Communication (1928)"}}
* {{Internet Archive short film|id=gov.archives.arc.89089.r1|name="Telephone Memories (Reel 1 of 2) (1931)"}}
* {{Internet Archive short film|id=gov.archives.arc.89089.r2|name="Telephone Memories (Reel 2 of 2) (1931)"}}
* {{Internet Archive short film|id=FarSpeak1935|name="Far Speaking (ca. 1935)"}}
* {{cite web|title=US 174,465|url=http://pdfpiw.uspto.gov/.piw?Docid=00174465&homeurl=http%3A%2F%2Fpatft1.uspto.gov%2Fnetacgi%2Fnph-Parser%3FSect1%3DPTO1%2526Sect2%3DHITOFF%2526d%3DPALL%2526p%3D1%2526u%3D%25252Fnetahtml%25252FPTO%25252Fsrchnum.htm%2526r%3D1%2526f%3DG%2526l%3D50%2526s1%3D0174,465.PN.%2526OS%3DPN%2F0174,465%2526RS%3DPN%2F0174,465&PageNum=&Rtype=&SectionNum=&idkey=NONE&Input=View+first+page|website=pdfpiw.uspto.gov}}—''Telegraphy'' (Bell's first telephone patent)—Alexander Graham Bell
* {{usurped|1=[https://web.archive.org/web/20131207123744/http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0186787 US 186,787]}}—''Electric Telegraphy'' (permanent magnet receiver)—Alexander Graham Bell
* {{usurped|1=[https://web.archive.org/web/20131207125332/http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0474230 US 474,230]}}—''Speaking Telegraph'' (graphite transmitter)—Thomas Edison
* {{usurped|1=[https://web.archive.org/web/20131207123141/http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0203016 US 203,016]}}—''Speaking Telephone'' (carbon button transmitter)—Thomas Edison
* {{usurped|1=[https://web.archive.org/web/20131207131626/http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0222390 US 222,390]}}—''Carbon Telephone'' (carbon granules transmitter)—Thomas Edison
* {{usurped|1=[https://web.archive.org/web/20131207130558/http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0485311 US 485,311]}}—''Telephone'' (solid back carbon transmitter)—Anthony C. White (Bell engineer) This design was used until 1925 and installed phones were used until the 1940s.
* {{usurped|1=[https://web.archive.org/web/20131207121651/http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=3449750 US 3,449,750]}}—''Duplex Radio Communication and Signalling Apparatus''—G. H. Sweigert
* {{usurped|1=[https://web.archive.org/web/20131207124409/http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=3663762 US 3,663,762]}}—''Cellular Mobile Communication System''—Amos Edward Joel (Bell Labs)
* {{usurped|1=[https://web.archive.org/web/20131207130341/http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=3906166 US 3,906,166]}}—''Radio Telephone System'' (DynaTAC [[Mobile phone|cell phone]])—Martin Cooper et al. (Motorola)

{{Telecommunications}}
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[[Category:19th-century inventions]]