I used ASR-33 teletypes connected to Northern Telecom PBXes - it was
convenient being able to look at the paper scroll to see error messages
that had occurred.

I'd learned about how TTYs worked with UNIX, it was interesting to see
one in action - and to understand how line editors worked.

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You wrote "line editors".
seeing that made me recall the day the operator inthe computer room noticed me watching the paper jumping up in the Line Printer and invited me in the room. My thinking was there was a dot matrix head really flying forward and back at a fantastic speed.
The operator raised the cover on the line printer to show me the chain of type traveling in a circuit at high speed.
He also showed me a plug board that attacked ached to the IBM mainframe system. This was in the mid-1960's long before I got interested in personal computers and bought a C=64 in1984.
Ed
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My mistake, in thinking after I saved my message to you I thought dot matrix printing wasn't in the 1960's.
I was thinking more of the Teletype machines printing at 100 WPM.
DUH!
Ed
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Re: Re: NetBSD
By: Ed Vance to Kurt Weiske on Tue Dec 02 2025 18:40:35

My mistake, in thinking after I saved my message to you I thought dot matrix printing wasn't in the 1960's.

A reasonable assumption. Actually, the first commercially available DMP debuted in 1968 by the Oki (later Okidata) company out of Japan. It wasn't until 1970 when DEC came out with their first.

I was thinking more of the Teletype machines printing at 100 WPM.

I used an ASR-33 back when I was in my college's amateur radio club. I loved that thing. When you typed on it, you felt like you were doing something special.
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Mortar M. wrote to Ed Vance <=-

I used an ASR-33 back when I was in my college's amateur radio club. I loved that thing. When you typed on it, you felt like you were doing something special.

When I started working on Nortel PBXes, they printed to an ASR-33.
Nice, because starting out I could save the printouts as references.
They also printed out timestamps and lots of diagnostic information
during the midnight routines (the "mids") that you could check in the
morning by looking at the paper spooled off the TTY.



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Re: Re: NetBSD
By: Ed Vance to Kurt Weiske on Tue Dec 02 2025 18:40:35

A reasonable assumption. Actually, the first commercially available DMP debuted in 1968 by the Oki (later Okidata) company out of Japan. It wasn't until 1970 when DEC came out with their first.

I used an ASR-33 back when I was in my college's amateur radio club. I loved that thing. When you typed on it, you felt like you were doing something special.
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The only ASR-33 that I have seen was behind a window in a building I walked by one day. That was the first time I saw 8 level Perf Tape .
When I was in the Navy at a Navy Base I learned to use a Model 28 KSR, loved it!
Ed W9ODR . .
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