Awning Window Crank System

A quick learner from Georgia says:
Awning windows used throughout 1954 ranch house located in Savannah Ga. Any idea who the manufacturer of the windows where? Many of the cranks are stripped out and will not operate the window to open or close.
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Casey from SWISCO responded:

Hello,

Unfortunately, we do not carry replacement parts for the old-style awning window hardware shown in your photos. I'm sorry that we won't be able to assist with this repair but please let us know if you have any other hardware questions. Thanks for posting.

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