Old Awning window center gear operator

A quick learner says:
The center gear operator works but adapting inside gear piece is stripped and that is the piece I need. If I can?t get that one piece would you have a new assembly that will fit my window
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A handy person from Salisbury ma says:
You were asking for photos I sent some the first time here they are
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:

We appreciate your detailed photos. From what I can see in your photos, it appears you have an older Stanley Awning window which is no longer manufactured. The only part that is still available for your window is the 39-076 center gear operator. The angle adapter you are showing in your photos are no longer available, I am afraid.

A home owner from NY says:
This is a long shot--but curious if the person on this thread has any information about the handles for these types of operators.

We are having the opposite problem-- we moved into a new (old) home, and all the operators work, but we can't find the handles anywhere, so we can't open the windows.

Are there any markings on your handles that might be helpful in my google searches for a replacement?
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