Thanks Jim,
Thanks for the info. I have a HRO 7R I'm trying to restore. I have yet to
find a good photo of the HRO 7R, there are plenty of photos of the HRO 7. I
don't know if the panel color is silver gray or wrinkle finish black. I
wonder if certain coil sets from different HROs are comparable?

73 gary, KF9CM