Searching for Anderson 100 series awning window parts

A quick learner says:
Andersen Awning from approximately 1972. Need operator.
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Casey from SWISCO responded:

Hello,

Depending on if your operator's arms are straight or hinged, you may need one of the Andersen operators we've related for you. Take a look and see how the specifications compare to yours to confirm. Thanks for posting! 

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