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

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@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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