Total ccasement window crank mechanism

A quick learner from Raton, New Mexico says:
August 22, 2023
We are restoring some metal casement windows and have the hardware pictured. We will need a couple of handles and some complete crank mechanisms. We have operator arms with two different manufacturers' marking: Getty and George B Henne & Co - both of Philadelphia. They seem to be interchangeable.

What additional i formation do I need to provide to help you match our hardware? Thank you in advance for your help.
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Casey from SWISCO responded:
August 23, 2023

Hello,

Your operator reminds me of the 39-001 and 39-002, depending on how the dimensions below compare to your assembly. The exact handle that comes with these operators is not available separately but they are compatible with the 39-104. Please note that this handle is only available in white or aluminum, while the operators are satin/silver. Take a look and thanks for posting! 

Dimensions for 39-002
Dimensions for 39-002
Window Crank Operator, 9"
Window Crank Operator, 9"
39-001
$17.45
Window Crank Operator, 9"
Window Crank Operator, 9"
39-002
$17.45
Handle with a 3/8" Gear Bore
Handle with a 3/8" Gear Bore
39-104
$4.90
Anatomy of a casement window
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