1940s Casement window operator replacement

A quick learner from California says:
January 25, 2023
Hi, could you help me find the right product to replace these with? I looked at the encore 39-449 and 39-450. Are those the correct ones, and what other pieces would I need?

Thank you!!
Thumbnail of the uploaded file named E504F7C8-9775-44B6-B811-52CAA18BF5A9.jpeg
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Jasmine from SWISCO responded:
January 25, 2023

Thanks for reaching out!

I recommend taking a look at our 39-020 and 39-021. The compatible track is part 39-504. Double check the measurements to determine if these might be a better fit. Let us know what you think.

Dimensions for 39-020
Dimensions for 39-020

Alternate image for 39-504
Alternate image for 39-504

Alternate view of 39-504
Alternate view of 39-504
Wood Window Crank, 9"
Wood Window Crank, 9"
39-020
$33.50
Wood Window Crank, 9"
Wood Window Crank, 9"
39-021
$33.50
SS 13-3/4" Channel Guide
SS 13-3/4" Channel Guide
39-504
$6.65
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Anatomy of a casement window
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How to install a wood casement window crank
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