Old Casement Windows - Missing Hardware

A quick learner from California says:
Please help! We just moved into a rental property and realized all of the casement windows are missing hardware and/or cranks. We are hoping you have the parts to make them functional. The house is located in Southern California and was built in 1950. Thanks!
User submitted photos of window operators.
Profile picture of Tom
Tom from SWISCO responded:
I would start by looking at our 39-001 and 39-002 . Carefully compare the dimensions of these operators to your own and see how well they match up.
Anatomy of a casement window
Anatomy of a casement window
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