[GreenKeys] Newbie Questions concerning Teletype ASR / KSR Model 33 Typeset wheel

[Michael Katzmann]

The typewheel code is displayed on the wheel (see photo).
I seem to have several, although the MA and NU wheels look the same. I
didn't look at the one that is actually in the 33 but from the character
set I'd say it was the MA (general computer use).

Michael

[image: 33.typewheels.jpg]

The note on Figure 31 says that "MA" is the standard wheel.


On Sun, Mar 15, 2026 at 8:56 PM Joseph Corda via GreenKeys <
greenkeys at mailman.qth.net> wrote:

> Greetings
> I was wondering what the typewheel part number of the most widely used
> standard ASCII typewheel for the ASR (and KSR) Model 33 is ?
>
> I've been researching the part diagrams (and replacement parts lists) and
> I'm having a tough time decoding the typewheel chart in Fig 29,30,31 in the
> 1184B bulletin pdf.
>
> I looked at my existing typewheel (on both the ASR and KSR) but didn't see
> a part number on the top.. so before I remove it I was also wondering if
> anyone knows if the part number might be printed on the underside?
>
> Thanks in advance
> Joe
>
>
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