Hinge plate at end of control arm missing

Home Owner from OH
House was built in 1965 with old Pella awing window. See attached 
One awing window is missing hinge plate. See photo 1
Compare to a good one. See photo 2
Awing windows. See photo 3
 
3 user uploaded images
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Tom
Tom from SWISCO
SWISCO
Expert

I'm afraid I don't recognize this operator. Given the age of the window, this may not be something we can supply. However in order to confirm I will need a clear photo of it removed from the frame, so that I can see the entire mechanism. Would that be possible?

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