Opening mechanism identification

A home owner from Detroit says:
I need to replace about a dozen of idea who made these!
User submitted a photo of a window operator.
A home owner from Detroit says:
Taking one apart, I find it says "Detroit SwingLite" on the arm.
User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
This is an extremely old awning window operator. I see people looking for it from time to time. I don't think an exact match is still available, but take a look at one of our newer style operators like the 39-083 or 39-015 to see if you can adapt any to your window.
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