The Pentaconta Crossbar and Exchange(calling315.com)

44 points by gjvc 2 years ago | 9 comments

Doug Engelbart’s 1968 demo(dougengelbart.org)

252 points by gjvc 2 years ago | 94 comments

Evan Doorbell's Phone Tapes – Brought to You by Telephone World(evan-doorbell.com)

21 points by mikecarlton 27 days ago | 6 comments

Website hosting Evan Doorbell's Phone Tapes, audio recordings documenting how the 1970s telephone network sounded and worked.

The TTY Demystified (2008)(linusakesson.net)

69 points by jonasdegendt 1 year ago | 6 comments

The TTY Demystified (2008)(linusakesson.net)

59 points by 20after4 5 months ago | 9 comments

History of Tcl(tcl.tk)

121 points by uticus 3 years ago | 54 comments