Develop Old Roll Of Film?

[yellowjeep]

From what I understood they don't make a black and white negitive, but rather they generally make black and white prints because some of the dye layers in the film have been deteriorated.

http://filmrescue.com/samples.html

 

[compur]

Some info here and here on their processes (though Kodachrome is not mentioned specifically).

I believe Kodachrome is a sort of multi-layered B&W film without any integral color elements,
those being added during processing