Anvil Jig set up

I am “storing” an old Anvil jig for a friend. I can’t seem to locate any set up instructions for it anywhere. I had the Journeyman years ago but my memory is fuzzy. I know the angles and such I’m just not certain on the headtube bottom. Is it an X Y measurement on the two scales?

Here’s the jig:



Bottom of the head tube is set here…

Top tube length is set here…

Send it to me and I will figure it out and let you know. :slight_smile:


I should have been more clear. I understand those are the measurements for the bottom of headtube and top tube. My question is what, say in bike cad, are the bottom of headtube figures I use.
Screenshot 2023-03-23 203540

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