Missing Lock Mechanism

A quick learner from united states says:
The windows have a gap that appear to need a handle which inserts and allows for the mechanism to slide the internal pieces up and down to lock the window.
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Tom from SWISCO responded:

Thanks for reaching out to us. That gap you show was very likely meant to accommodate a lock for your casement window. Unfortunately, I don't know what lock you need. In order to recommend a replacement, we need to use the original as a reference. Do you have an identical window in the house that may still have its lock? If so, please remove that from its window and show me a photo of it.

If you have no lock whatsoever that we can loo at, then I'm afraid we won't be able to ID a match for you. These are very specific parts; there have been dozens and dozens of different kinds produced and discontinued over the years. It's not possible to know what you need without a reference.

A quick learner from united states says:
I was able to get one of the locks from another window see attached.
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A quick learner from united states says:
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Tom from SWISCO responded:

Thank you. Unfortunately, we don't have a match for this window lock. The closest product in our inventory would be the 38-209, but I cannot guarantee that this would work for you. Look it over and see what you think.

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