Need new operators and handles

A handy person from Florida says:
July 15, 2021
I am trying to find out what operator could be used to replace the ones I have depicted in the figure and photos attached. Also can handles be purchased independently. My guess is these windows were original with the house from around the 1960's in north Florida.
Thumbnail of the uploaded file named Wndow Operator 1.jpg
Thumbnail of the uploaded file named Wndow Operator 2.jpg
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Tom from SWISCO responded:
July 22, 2021

Thanks for reaching out to us. There is a good chance that your old operator isn't made anymore, but we carry a few that have a similar design. See our 39-060, 39-193, and 39-277 to start out. Note that the dimensions in each case are a little different, and even more important is that the hole size in the link arm is very different across all three. That is an important dimension that you need to get in order to confirm if any of these products will work for you.
LH Awning Operator, Nu-Aire
LH Awning Operator, Nu-Aire
39-277
$19.70
LH Window Crank Operator, 3/8" Hole
LH Window Crank Operator, 3/8" Hole
39-193
$19.97
Keller Window Crank
Keller Window Crank
39-060
$19.10
Keller Window Crank
Keller Window Crank
39-061
$19.10
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