Bell Telephone Quarterly / Bell Telephone Magazine

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Folder Bell Telephone Quarterly / Bell Telephone Magazine

Renamed from BTQ to BTM in 1941.

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pdf 64Spring BTM P14 Developing Picturephone Service Popular

Published on 29 September 2014 By Anonymous 362 downloads

Download (pdf, 1.38 MB)

64Spring_BTM_P14_Picturephone_Service.pdf

Bell Telephone Magazine. Contributed by Chuck Hensley.

pdf 65Autumn BTM P8 Trimline Intro Popular

Published on 29 September 2014 By Anonymous 471 downloads

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65Autumn_BTM_P8_Trimline_Intro.pdf

Bell Telephone Magazine. Contributed by Chuck Hensley

pdf 65Summer BTM P54 Picturephone Business Experiments Popular

Published on 29 September 2014 By Anonymous 476 downloads

Download (pdf, 2.71 MB)

65Summer_BTM_P54_Picturephone_Business_Experiments.pdf

Bell Telephone Magazine. Contributed by Chuck Hensley

pdf 67 BTM jul p18 - Dreyfuss - Adapting Products to People Popular

Published on 15 May 2019 By Paul F 366 downloads

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67_BTM_jul_p18_Dreyfuss_Adapting_Products_to_People_tci.pdf

Contributed by Paul Fassbender.

pdf 68 May BTM P25 - - Electronic Trimline-style Prototype Photo Popular

Published on 28 October 2009 By Anonymous 676 downloads

Download (pdf, 38 KB)

Trimline Prototype - BTM 1968.pdf

68 May BTM P25 - - Electronic Trimline-style Prototype Photo

Bell Telephone Magazine. May 1968.

pdf 71 Nov BTM P1 - WTC (World Trade Center) Popular

Published on 28 October 2009 By Anonymous 753 downloads

Download (pdf, 317 KB)

1970 BTM- WTC.pdf

71 Nov BTM P1 - WTC (World Trade Center)

Construction photos (3 pages) from Bell Telephone Magazine, November, 1971.

pdf 74sep BTM p10 - PhoneCenter Concept Grows Popular

Published on 19 March 2023 By Paul F 171 downloads

Download (pdf, 2.42 MB)

74sep_BTM_p10_Phonecenter_Concept_Grows_tci.pdf

Bell Telephone Magazine, Sep. 1974. Established in 1970, there were 32 Bell System PhoneCenters in 1974 and 34 more under development. Modular wiring, pre-wiring and simple do-it-yourself methods were important factors. (phone center) Contributed by Paul Fassbender.

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Thanks for new documents from Bruce Patterson, Jon Kolger, Paul Ivester, Len Hicken, Paul Fassbender, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Mark Cuccia, Alan David, Harry Joseph, Charlie Terry, Karl Brose, Dennis Hock, Tim Griffin, Remco Enthoven, and Steve Cichorsky.

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