Old window cranks on my new house

A home owner from Branford CT says:
Hello I am looking to replace the cranks on about 10 jalousie windows please let me know if the pictures I sent are enough to identify them
Thank You Greg
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Hey. Greg. Could you show us a picture of the operator removed from the window? We will need to see the gear and link arms clearly. If you can, please also provide your measurements, including the size of the arms and the hole spacing. Thanks!
A quick learner from Branford CT says:
Good morning Tom and happy Friday. I sent you more pics last night of my window operators. After checking all the measurements I have come to the conclusion that 39
User submitted image of their window hardware.
Profile picture of Tom
Tom from SWISCO responded:
Thank you! Look at and compare our 39-054 as a possible match.
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