The operator is from a Kolbe casement window circa 1985

A home owner from WI says:
Do you think your 39-036 operator would replace my old operator? The stamped number on the middle arm is 30636.

Thanks,,,,,,,,Tom
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Bob from SWISCO responded:

Thanks for writing in, Tom. Correct, this is just an older version of the 39-036. Take a look and let me know what you think.

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