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Model 28 code bar close up
This video is a close up of the code bars of a Model 28 Teletype (TTY) operating at 60 words per minute (WPM) or 45.5 bits per second (baud).
มุมมอง: 423

วีดีโอ

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A three minute video of my Model 28 Teletype machine. In this video, I have it set to 100 WPM its fastest speed.

ความคิดเห็น

  • @goofyrulez7914
    @goofyrulez7914 4 หลายเดือนก่อน

    In the Navy, we used to have a '28 dedicated to receiving UPI. It was interesting to see what was going on in the world (this was the mid '80s so there were few other ways to keep updated).

  • @sharioverend1618
    @sharioverend1618 4 หลายเดือนก่อน

    So many teletypes, so little time...

  • @cg0825
    @cg0825 7 หลายเดือนก่อน

    I remember going to my mom's office as a little kid in the 70's and seeing these things. I remember how deafening the noise was!

  • @chevapchich111
    @chevapchich111 7 หลายเดือนก่อน

    Why is this perforated tape needed?

  • @cw7422
    @cw7422 7 หลายเดือนก่อน

    SOMEONE = ZCZC; EOM = NNNN. 2CR1LF. I remember it like it was yesterday.

  • @kevinsnyder1208
    @kevinsnyder1208 8 หลายเดือนก่อน

    i operated a 28 that was connected to PEMATS (PA EMA TT system) The sound, the smell, it was also a heat source on cold days in a basement dispatch room. 1983-1985

  • @luismateo9064
    @luismateo9064 9 หลายเดือนก่อน

    Teletype operator, US Air Force 1954-1957. Training in Francis E. Waren AFB, Wyoming, 1 year in Korea, almost 3 years at Carswell AFB, Ft. Worth, Texas. Also teletype operator at Eastern Airlines, all before computers! New generation have it too easy!🤗🇵🇷

  • @baomao7243
    @baomao7243 10 หลายเดือนก่อน

    ASMR. It gives me tingles.

  • @butterg9535
    @butterg9535 11 หลายเดือนก่อน

    That was a whole different lifetime for me - would you believe that was a 'simpler' time after watching this???

  • @newdimension4731
    @newdimension4731 ปีที่แล้ว

    that what is called TYPING 100 WORD A MINUTE 🤣🤣🤣🤣

  • @49thfightergroup59
    @49thfightergroup59 ปีที่แล้ว

    In 1966 I was final inspection on this switch leaving the Automatic Electric plant in Northlake, Illinois

  • @wjcroft72
    @wjcroft72 ปีที่แล้ว

    Used the 35KSR as the console interface on a DEC PDP-9/339 installation at the Purdue University Electrical Engineering, Computer Graphics Lab. From late 1960's through 1970's. It's a workhorse and facilitated thousands of hours of programming and debugging on that early interactive graphics computer.

  • @allanegleston4931
    @allanegleston4931 ปีที่แล้ว

    hem chunka , chunka.

  • @1960ARC
    @1960ARC ปีที่แล้ว

    I was an Import / Export clerk in the 80s. We used telex machines to send and receive load details to clear lorries through HM Customs and Excise. It was possible to send a live telex if it was short and you typed fast. The normal method was to make a tape, as it cost money all the time the line was connected. There was a rather nasty prank that people played, where they would distract you and turn off the tape. Which would mean you had to type it out all over again. Groupage loads were long telexes so it was not funny at all. I worked in the eastern docks at Dover, Kent. UK.

  • @ぱかすけしましま
    @ぱかすけしましま 2 ปีที่แล้ว

    昔は、このスイッチを見て逆探知していた 凄い技術力 ロータリースイッチが 縦にも動く、 ロストテクノロジーになる前に、再現して欲しい

  • @zafdoga
    @zafdoga 2 ปีที่แล้ว

    この頃は良かったです。

  • @lutkeone
    @lutkeone 2 ปีที่แล้ว

    that and the brown grease

  • @vanderleisanches7992
    @vanderleisanches7992 2 ปีที่แล้ว

    muito bom relembrar, usei bastate o telex quando trabalhava em uma rede de lojas em Campinas, em 1985.

  • @amuis6449
    @amuis6449 2 ปีที่แล้ว

    Hey can someone tell me why am I given this computer?

  • @robertaccornero7172
    @robertaccornero7172 2 ปีที่แล้ว

    I was a teletype repairman in the US Air Force, 1966-70, I knew every part of the M28 ( and other models as well ) by name, every adjustment and trouble shooting method. it was an electro magnetic masterpiece of design!

    • @williamgibson9553
      @williamgibson9553 2 ปีที่แล้ว

      Me too in the USN. Almost got a job with Teletype corp when I got out in 78. I could take a Mod 28 and put it back together again in my sleep. Of course these became outdated shortly after. This machine is running 60wpm.

    • @johnanderson8046
      @johnanderson8046 ปีที่แล้ว

      Ditto, 1972-76. Thank God I had 28s to deal with and not Kleinschmidts!

  • @WFTL14
    @WFTL14 2 ปีที่แล้ว

    This is what our weather wire looked like at the radio station I worked at in the ‘70’s. We also had the standard AP machine that stations relied on for years!

  • @mikem5043
    @mikem5043 2 ปีที่แล้ว

    I have a 28KSR that I use for amateur radio RTTY

  • @aklnarslan8756
    @aklnarslan8756 2 ปีที่แล้ว

    TELEX & TELETEX, my favorite communication device. Voice is similar MAGlRUS DEUTZ Coach Engine [F8L 413 - Air Cooled V-type 8 Cylinder]

  • @terryrogers6232
    @terryrogers6232 2 ปีที่แล้ว

    I had a 28ASR with chadless perf and reperf and 60/75/100 WPM gear shift. I used it on the air in RTTY up until 1992. My wife, also a radio amateur, did not like the loud, thrashing machines (I also had model 15s from the 30s) and demanded I dispose of them when we moved. It was her or the machines. ...dam tough choice.

    • @wtjones2035
      @wtjones2035 2 ปีที่แล้ว

      I know your post was some time ago.... How long did it take you to get back into the dating scene after moving with the machines?

  • @SingerGuy59
    @SingerGuy59 3 ปีที่แล้ว

    I was standing in the TTY room at the Defense Information School at Ft. Benjamin Harrison, Indiana on March 31, 1981 when the first FLASH in 12 years came across the wire. PRESIDENT REAGAN SHOT. Our teachers had told us just the day before that we might never see a FLASH in our lifetime since the previous one was MAN WALKS ON MOON. A day never to be forgotten.

  • @Nighthawke70
    @Nighthawke70 3 ปีที่แล้ว

    When I worked the paper, we had a dot matrix line printer that would belt out a line at a time, downlinked from their satellite.

  • @mikem5043
    @mikem5043 3 ปีที่แล้ว

    Where is that feed coming from?

  • @mikem5043
    @mikem5043 3 ปีที่แล้ว

    I just acquired a Bell Systems model 28 that runs at 60wpm. I could stare at it going all day long. Something mesmerizing about it.

  • @mikem5043
    @mikem5043 3 ปีที่แล้ว

    TTY machines are just marvels of mechanical engineering. I've always been enthralled watching them go

  • @waltergiletta2921
    @waltergiletta2921 4 ปีที่แล้ว

    Worked at Pulsecom and did final testing on selector equipment that turned these on and off, printed, sent loaded tape and turned off again. Kept equipment wear and tear at a minimum (415 L5)

  • @waltergiletta2921
    @waltergiletta2921 4 ปีที่แล้ว

    The quick brown fox jumped over the lazy dog's back. 1234567890

  • @waltergiletta2921
    @waltergiletta2921 4 ปีที่แล้ว

    Learned to repair and maintain for many years until Mod 40. Also had Kleinshmits that were so clean you could make the QC guys give up.

  • @robertodabashian8687
    @robertodabashian8687 4 ปีที่แล้ว

    I worked on these during my stint in the Navy. Brings back memories. I still marvel at the engineering it took to create the device.

    • @clemkadiddlehopper2706
      @clemkadiddlehopper2706 3 ปีที่แล้ว

      The engineers must have spent many sleepless nights trying to figure how to make all the parts and then getting them to work together. In 1969 I went to school for 9 months at Shepard AFB Texas for the M28, Klienschmidt TTYs, and KL7 crypto. For the next 3 years and 11 months of active duty, I worked on just ONE M28, and just ONE KL7 crypto, and ZERO Klienschmidt teletype. What a waste of time (for me) and money (for the Air Force). Sill, however, the M28 and the KL7 were fantastic feats of engineering.

  • @denelson83
    @denelson83 4 ปีที่แล้ว

    AP stories literally "crossing the wire".

  • @RicardoBanffy
    @RicardoBanffy 4 ปีที่แล้ว

    This one, with a flat printing element and a hammer doesn't sound as nice as the 33, with its cylindrical printing element.

  • @williamwilson6499
    @williamwilson6499 4 ปีที่แล้ว

    Trying to find RF recordings of the signals driving teleprinters...like the old news wire services. Anyone know where on TH-cam someone has uploaded some please let me know.

    • @marcfrancisco909
      @marcfrancisco909 4 ปีที่แล้ว

      If you do a search for RTTY you'll find several videos. I listed to a couple and the signals were just playing in the background, but I bet you could find one with a high quality audio recording. I have several .wav files of RTTY saved on memory cards, but they're presently in storage along with my teletypes.

  • @Lucius_Chiaraviglio
    @Lucius_Chiaraviglio 4 ปีที่แล้ว

    I'd like to see higher-resolution and slow motion footage of how that print mechanism worked. It obviously isn't the one used on the Model 33, but it also obviously isn't the one used on the Models 15 and 19 either (those used basket-style type bars like on pre-Selectric typewriters except for moving the type basket laterally instead of moving the platen and paper laterally, but this is much more compact).

  • @stevenbennett3805
    @stevenbennett3805 4 ปีที่แล้ว

    And when the code bars get out of line, they get arrested, thrown into code bar jail and have to post bond. That is known as a code bar bail. The code bar bail gets posted which in turn authorizes the code bar jailer to depress the code bar bail latch lever which releases the code bar bail from code bar jail and then the code bar goes home only to find the wife had been playing with some army range finder's knob with her dash pot. ( Whew, that was the long way around to nowhere)

  • @stevenbennett3805
    @stevenbennett3805 4 ปีที่แล้ว

    RYR RYR RYR RYR RYR RYR RYR RYR AMA AMA AMA AMA AMA AMA THE QUICK BROWN FOX YUMPED OVER THE LAXY DOGS BACK

    • @jimw7ry
      @jimw7ry ปีที่แล้ว

      Indeed he did! 73, Jim W7RY

  • @paulpolk3717
    @paulpolk3717 4 ปีที่แล้ว

    Wow, this brings back some memories of being a tty repairman in the Navy.

  • @mikef3790
    @mikef3790 4 ปีที่แล้ว

    That's not the teletype sound that I know and love. I'm not sure what everybody else heard, but to me that wasn't the sound I've heard in the background of newscasts, or even in a newsroom. My experiences with teletype machines started around 1967. I believe the one in the video came out in the 1970s. The kind I know is located here: th-cam.com/video/FWa6u5_Itvs/w-d-xo.html

    • @svyt
      @svyt 4 ปีที่แล้ว

      This is a Model 35, relatively later in the evolution of Teletype machines, this model uses the "ASCII" code - the 8-data-bits per character code used by computers from their inception and still largely used today. The speed in this one is probably what is called "100 wpm" or "words per minute" which is a fairly inexact concept and way of measuring speed, but it's how the old Teletypes were referred to, in more-or-less informal conversation. The machine in the linked video is a Model 15. Sounds to me like it's running at the good ol' 60 WPM that my old machine was geared for. The actual electronic signal transmitting these characters had only 5 data bits of 22 milliseconds each, a 22 ms "start" bit, and a "stop bit" of 1.42 bit lengths, and so on... These machines were around, I think from about the 1930's, and they definitely had a "chunkier" sound. This plus the slower character rate is probably what you hear as the classic Teletype sound - and I agree! I wish I still had that old Model 15 I had as a teenager. I'd love to play with it again...

  • @ScoopNemeth
    @ScoopNemeth 4 ปีที่แล้ว

    at the 0:25 mark - reminds me of news theme music using that kinds of rhythm. That includes Cool Hand Luke Tar Sequence by Lalo Schifrin, NewsSeries 2000 by Frank Gari, NBC Radio/TV Newspulse by Fred Weinberg, News 80s by VTS productions, and so on. Those bells almost sound like telegraph rhythm done with xylophones. Combine that with thunderous percussion, french horns, trumpets and more

  • @LouisWilen
    @LouisWilen 5 ปีที่แล้ว

    You could smell the oil when these machines were operarting, especially when there were several in a room.

  • @andreasanders9974
    @andreasanders9974 5 ปีที่แล้ว

    I hate teletype sounds, but that's really cool ....

  • @Christophersanchez1326
    @Christophersanchez1326 5 ปีที่แล้ว

    I remember watching these as a kid🤗

  • @tpcdude
    @tpcdude 5 ปีที่แล้ว

    Great 35! the most reliable teletype. It was the console terminal on DEC PDP-10 at Ohio State Univ in 1970. This one is very advanced it has a Touch Tone keypad and above it is a auto-dialer .. the slot takes a plastic card and you punched out the digits on the card to dial a number. wow

  • @bladerunner5680
    @bladerunner5680 5 ปีที่แล้ว

    I had this teletype in my parents basement I was connected to the Service A weather teletype circuit. I had to sign an agreement with NOAA to have the phone company put this circuit at my parents house back in the late 70's and early 80's in NJ. I use to have policemen and neighbors come to parents basement and I would give them a briefing during the winter storm threats with my meteorology degree. Man these machines were a pain to maintain! The circuit drop off point was from Newark to the Amboys NJ. 12-15 miles cost was cheap them days. not anymore.! I use the Real Emwin system at home works great I get all the weather products for emergency managers and post storm preparations.! Looks like this guy signed up to the AP news circuit! I also used the teletype before I did away with the weather circuit to get radio teletype ship weather and on HF radio setup picking up CARMET on 8.140 MHz upper SSB using a radio receiver to a teletype high voltage converter to drive the teletype printer heads.

  • @dennissytsma3561
    @dennissytsma3561 5 ปีที่แล้ว

    I used to work and repair this equipment for FAA at flight service stations in Miami and Key West and the National Weather service in Miami Florida. I was able to fix problems others gave up on, most often rebuilding the asr or printer cabinets filter caps. Failing power supplies would cause issues that appeared to be hardware. The unit was called the signal conditioner assemble unless I am mistaken.

  • @robj2704
    @robj2704 5 ปีที่แล้ว

    I went to Radioman Class A and Class C schools at San Diego and was a Model 28 repairman in the Navy 1965-68. Of course, all ours ran at 100wpm.

  • @DanielPineau
    @DanielPineau 5 ปีที่แล้ว

    This is an absolutely beautiful piece of footage. Thanks for putting it up. My dad's offices had 33s - so - a bit faster - but this will do!

    • @terryrogers6232
      @terryrogers6232 2 ปีที่แล้ว

      The model 35 in RT or ASR is an ASCII 100WPM capable machine whose internals and cabinetry look a lot like the 28. It cost a lot more than the 33 so naturally I ended up using 33s with computers in the late 60s and early 70s