replacement turnout for Atlast curved custom-line supreme

I’m looking at building the “Jerome and Southwestern” as seen in a series of articles in MR in 1982 and 1983, as well as in the book “building a model railroad with personality”.

One issues is that they specify Atlas Curved Custom Line Supreme turnouts.

I want to use Shinohara turnouts from Walthers.

I can’t find any specifications on the Atlas switches (which have been discontinued for many years).

Does anybody know which Walthers Code 83 switches most closely match the Atlas ones?

Any help would be greatly appreciated.

Rob

Since I have one of these turnouts and haven’t used it in years, I do believe that the radius is 22" and 18". All you need to do is get a switch that either matches or is as close as possible. Hope this helps.
Archie