Window crank operator match

A home owner from Spokane WA says:
This is the opening mechanism for a window in my very old house, I'm not sure how old the part is but I would love to find the same one somewhere. I uploaded pictures of the markings on the part, let me know if I can help in any other way.
Thumbnail of the uploaded file named C7B733C3-80CF-4D6A-9B99-E9429C19E9FB.jpeg
Thumbnail of the uploaded file named F9B132A7-A69B-440D-BDC6-13A8E0EA7177.jpeg
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Casey from SWISCO responded:

Thank you for sharing your photos with us. Check out our 39-031 and 39-032 dual arm operators. See if your measurements and dimensions match up with ours. 

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