13 August 2022

• 06:29 06:29, 13 August 2022 diff hist +9‎ m Panel switch ‎ →‎Signaling and control: not voltage. ground. Tag: Visual edit
• 06:23 06:23, 13 August 2022 diff hist −20‎ Panel switch ‎ fixed broken link Tag: Visual edit

7 June 2022

• 19:04 19:04, 7 June 2022 diff hist +2‎ m Talk:Panel switch ‎ →‎Panel Locations and Timeline Tag: 2017 wikitext editor
• 19:03 19:03, 7 June 2022 diff hist +257‎ Talk:Panel switch ‎ →‎Panel Locations and Timeline Tag: 2017 wikitext editor
• 18:59 18:59, 7 June 2022 diff hist +1,554‎ Talk:Panel switch ‎ →‎Lay reader Tag: 2017 wikitext editor

6 June 2022

• 21:27 21:27, 6 June 2022 diff hist +126‎ Number Five Crossbar Switching System ‎ added my own diagram Tag: Visual edit
• 17:26 17:26, 6 June 2022 diff hist +1,062‎ Number Five Crossbar Switching System ‎ fixing citations Tag: Visual edit
• 17:23 17:23, 6 June 2022 diff hist +32‎ Junctor ‎ added refs section Tag: Visual edit
• 17:22 17:22, 6 June 2022 diff hist +454‎ Junctor ‎ added 2 refs Tag: Visual edit
• 15:04 15:04, 6 June 2022 diff hist −425‎ Panel switch ‎ removed Fault Detection Section and placed into Sender section Tag: Visual edit

5 June 2022

• 18:31 18:31, 5 June 2022 diff hist +808‎ Number Five Crossbar Switching System ‎ even more citations Tag: Visual edit

4 June 2022

• 19:30 19:30, 4 June 2022 diff hist +1,285‎ Number Five Crossbar Switching System ‎ incremental update. more citations, clarifying trunk link section Tag: Visual edit
• 14:06 14:06, 4 June 2022 diff hist +35‎ m Number Five Crossbar Switching System ‎ added refs section Tag: Visual edit
• 14:05 14:05, 4 June 2022 diff hist +503‎ m Number Five Crossbar Switching System ‎ starting to cite sources Tag: Visual edit

19 May 2022

• 06:04 06:04, 19 May 2022 diff hist +3‎ m Connections Museum ‎ →‎Collection Tag: Visual edit

7 February 2022

• 03:38 03:38, 7 February 2022 diff hist +382‎ Crossbar switch ‎ →‎Electromechanical switching in telephony Tags: Reverted Visual edit
• 03:35 03:35, 7 February 2022 diff hist −35‎ Crossbar switch ‎ →‎Electromechanical switching in telephony Tags: Reverted Visual edit

13 June 2021

• 03:29 03:29, 13 June 2021 diff hist −21‎ Panel switch ‎ updated photo of district selector Tag: Visual edit

11 January 2021

• 04:46 04:46, 11 January 2021 diff hist +2‎ List of telephone switches ‎ →‎Panel: the most damning thing about this article was that "Office Selector Tandem" was misspelled :( Tag: Visual edit

14 December 2020

• 07:56 07:56, 14 December 2020 diff hist 0‎ m Number One Crossbar Switching System ‎ →‎Architecture: italics Tag: Visual edit
• 07:53 07:53, 14 December 2020 diff hist +2,057‎ Number One Crossbar Switching System ‎ lots of changes throughout. more probably needed. Tag: Visual edit

1 November 2020

• 04:32 04:32, 1 November 2020 diff hist +45‎ Panel switch ‎ →‎Circuit Features: slight improvements to readability. use the active voice. Tag: Visual edit
• 04:27 04:27, 1 November 2020 diff hist +4‎ Panel switch ‎ →‎Line circuit: renamed to "Circuit Features" Tag: Visual edit

4 June 2020

• 13:19 13:19, 4 June 2020 diff hist −103‎ m Panel switch ‎ →‎External links: remove dead link, fix missing bullet Tag: Visual edit
• 12:56 12:56, 4 June 2020 diff hist −1‎ m Number One Crossbar Switching System ‎ →‎Maintenance Facilities: grammar & style Tag: Visual edit

2 June 2020

• 00:17 00:17, 2 June 2020 diff hist +417‎ Number One Crossbar Switching System ‎ citations Tag: Visual edit

1 June 2020

• 23:50 23:50, 1 June 2020 diff hist +2,061‎ Number One Crossbar Switching System ‎ Added section Tag: Visual edit
• 22:00 22:00, 1 June 2020 diff hist +956‎ Number One Crossbar Switching System ‎ better defined orig and term marker, same for orig and term sender. Tag: Visual edit

17 March 2020

• 23:00 23:00, 17 March 2020 diff hist +111‎ Connections Museum ‎ →‎Collection: small updates Tags: nowiki added Visual edit

12 February 2020

• 18:33 18:33, 12 February 2020 diff hist +1,190‎ Number One Crossbar Switching System ‎ started rewriting this i guess Tag: Visual edit
• 17:33 17:33, 12 February 2020 diff hist +530‎ Number One Crossbar Switching System ‎ added images of originating marker, terminating sender Tag: Visual edit

23 September 2019

• 07:18 07:18, 23 September 2019 diff hist +7‎ m Connections Museum ‎ →‎History: minor ce Tag: Visual edit
• 07:12 07:12, 23 September 2019 diff hist +725‎ Connections Museum ‎ added to history, minor ce Tag: Visual edit

16 May 2019

• 22:28 22:28, 16 May 2019 diff hist +8‎ m Connections Museum ‎ changed caption in photo of panel selector Tags: nowiki added Visual edit
• 22:23 22:23, 16 May 2019 diff hist +627‎ Number One Crossbar Switching System ‎ added diagram, corrected grammar, and did some fact checking Tag: Visual edit

17 February 2019

• 06:38 06:38, 17 February 2019 diff hist +412‎ Number One Crossbar Switching System ‎ additions to architecture Tag: Visual edit
• 06:12 06:12, 17 February 2019 diff hist +183‎ Number Five Crossbar Switching System ‎ →‎Testing: cleanup, expansion Tag: Visual edit
• 05:51 05:51, 17 February 2019 diff hist −93‎ Common control ‎ reorganization Tag: Visual edit

16 February 2019

• 16:29 16:29, 16 February 2019 diff hist +245‎ Common control ‎ added ref, small grammar fixes Tag: Visual edit

8 February 2019

• 05:10 05:10, 8 February 2019 diff hist +65‎ User:Neverether ‎No edit summary current Tag: 2017 wikitext editor
• 05:09 05:09, 8 February 2019 diff hist −107‎ Wikipedia:WikiProject Telecommunications/Bell System/Participants ‎ fixed other users tags. Tag: 2017 wikitext editor
• 05:06 05:06, 8 February 2019 diff hist +22‎ Wikipedia:WikiProject Telecommunications/Bell System/Participants ‎ add user Tag: 2017 wikitext editor
• 05:03 05:03, 8 February 2019 diff hist +23‎ m Panel switch ‎ links Tag: Visual edit
• 05:02 05:02, 8 February 2019 diff hist +1,820‎ Panel switch ‎ added Testing and Maintenance section Tag: Visual edit

5 February 2019

• 21:53 21:53, 5 February 2019 diff hist +4‎ m Panel switch ‎ no 8-party lines Tag: Visual edit
• 18:02 18:02, 5 February 2019 diff hist −67‎ Panel switch ‎ →‎Completion of a call: minor grammatical edits. Clarified incorrect information pertaining to GCO and BCO offices. Tag: Visual edit

4 February 2019

• 20:58 20:58, 4 February 2019 diff hist +59‎ Panel switch ‎ added link to scan of article in reference 4 Tag: Visual edit
• 20:54 20:54, 4 February 2019 diff hist +3,881‎ Panel switch ‎ new section, still need to copyedit and fix lower half of article Tag: Visual edit

30 January 2019

• 19:01 19:01, 30 January 2019 diff hist +524‎ Panel switch ‎ grammar, clarity. removed incorrect information, and added citation Tag: Visual edit

7 December 2018

• 07:35 07:35, 7 December 2018 diff hist +17‎ m Edward C. Molina ‎ added link Tag: Visual edit