<Many of these folks also used rebadged EICO kits.  Very similar
<in design to the low-end Heathkit scopes.
Yes they did, forgot them.  Eico had some nice equipment.  I still use a few
peices that I've have for 30+ years each!
There were other kit hardware suppliers too, Packard Bell and Graybar come
to mind.
Allison