Wright Split-Arm Casement Operator Help

A handy person from Baltimore Maryland says:
April 26, 2020
It is a Bay window where the two end windows crank open but the crank stop working In one of the pictures that I sent you has some Pat numbers on it
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Bob from SWISCO responded:
April 29, 2020

See if our 39-387 and 39-388 Wright Operators match the dimensions of your old hardware. See what you think.
Split-Arm Operator, Wright
Split-Arm Operator, Wright
39-387
$36.20
Split-Arm Operator, Wright
Split-Arm Operator, Wright
39-388
$36.20
Crank Handle, 11/32"
Crank Handle, 11/32"
39-114L
$4.42
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