[GreenKeys] [External] tape reader ID?

[Nick England]

4:08 - Not a Teletype Model 28 tape reader, but a Kleinschmidt (model 140?)
Cheers,
Nick England K4NYW
www.navy-radio.com


On Wed, Aug 12, 2020 at 12:07 PM Jones, Douglas W <douglas-w-jones at uiowa.edu>
wrote:
>
>
> From:  Keith Lueck <kwlueck at swbell.net> -- Wednesday, August 12, 2020
10:28 AM
> > America's First 'First' in Space
>
>
>
>
> At 3:09, the video shows the blinking lights of a 18-bit single
accumulator computer with a 12-bit memory address extended to 16-bits by
some kind of memory management unit.  It's not a PDP-8, but the front panel
construction is very much in the style of the classical 1965-vintage PDP-8
that I have worked on.  The PDP-5, PDP-6 and PDP-7 front panels are
different, aluminum, not black.  The PDP-9 and 10 didn't look like this
either.  I wonder if this was a 1965 DEC custom version of the 18-bit PDP-7
instruction set?
>
> At 4:08, you see a BRPE punch, on the right, and what, something like a
model 28 reader on the left, running at the more leisurely speed of such
devices.  It looks like high speed bursts of data punched on the BRPE are
being buffered by a loop of tape feeding the slower reader.
>
> At 8:25, there's a Tally model 424 high-speed paper-tape reader with the
fanfold tape bin option.
>
>          Doug Jones
>          jones at cs.uiowa.edu
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