Looking at the front of the typing unit, the spacing drum is on the right. On its left side are the two spacing pawls that ratchet it. The carriage return mechanism lifts both pawls to allow the spring in the left drum to pull the typebox carriage back. 
Teletype engineers were mechanical wizards. 
Cheers
Nick

On Sun, Feb 26, 2023 at 1:20 PM Jeffrey Golas <jeffg@junknet.net> wrote:
Is the wratchet that advances the pawl between the two wheels or is it elsewhere?

Jeff

> On Feb 26, 2023, at 11:10 AM, Jones, Douglas W <douglas-w-jones@uiowa.edu> wrote:
>
> From: Daniel Jones [djones@k6yic.com] -- Sunday, February 26, 2023 9:05 AM
>
>> I fixed the margin issue which was simple enough (it seems the adjustment slipped as the screws were not really tight when I adjusted it back) but I still need to work on this 1st character problem.
>
> The margin adjustment and the first character adjustment are two different things.  That's because the ratchet that advances the carriage has nothing to do with the margin.  First, you set the margin, then after doing that, you adjust the ratchet so that the character at the margin is also at a detent position on the ratchet.
>
>                  Doug
> <image0.jpeg>
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