Hinges that can prevent windows from opening

A home owner from CALIFORNIA says:
I would like these windows within doors to be open without blowing wide open. Are there hinges or stops that can be used? Photos attached. Thanks! Martha
Thumbnail of the uploaded file named IMG-3997.jpg
Thumbnail of the uploaded file named IMG-3996.jpg
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Tom from SWISCO responded:

We do actually sell a couple sash stops for casement windows. See our 39-398SS and 39-398 for the two sizes we carry. The video below should also help you determine if these can work on your window.

How to Install a Sash Stop Device on a Casement Window [1080p]
How to Install a Sash Stop Device on a Casement Window [1080p]
VIDEO
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