You do have a voltage chart for the tubes. From this and knowing the resistance of a good section the values can be figured. The values will be between a few hundred ohms up to 10k. Knowing which section is open, we may be able to help.
For replacement you can used fixed wire wound resistors.
Norm
: I have a Dayfan Model 5005 (General Motors Radio Corp)
: with a burned-out voltage divider resistor. All the
: schematics I've found do not list the values of the
: sections in this resistor. How do I go about fabricating
: a replacement?
: Tom Brown
: Old78s@psweb.com